Sorry, didn't have access to error logs earlier, but I do now. This is what I get if I put the URL of the Pphpthumb-generated image (like 'http://www.<PRIVATE>.nl/image.php?src=assets/images/example.jpg&w=284&h=169&zc=1') in the address bar of the browsers
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpThumb.php on line 38
Strict Standards: Non-static method phpthumb_functions::ParseURLbetter() should not be called statically in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpThumb.php on line 172
Strict Standards: Non-static method phpthumb_functions::ParseURLbetter() should not be called statically in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpThumb.php on line 176
Strict Standards: Non-static method phpthumb_functions::CaseInsensitiveInArray() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 893
Strict Standards: Non-static method phpthumb_functions::OneOfThese() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 2880
Strict Standards: Non-static method phpthumb_functions::OneOfThese() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 2881
Strict Standards: Non-static method phpthumb_functions::version_compare_replacement() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 2932
Strict Standards: Non-static method phpthumb_functions::gd_version() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 1217
Strict Standards: Non-static method phpthumb_functions::gd_version() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 1234
Strict Standards: Non-static method phpthumb_functions::gd_version() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 3743
Strict Standards: Non-static method phpthumb_functions::gd_is_bundled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 3759
Strict Standards: Non-static method phpthumb_functions::gd_version() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.class.php on line 3410
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737
Strict Standards: Non-static method phpthumb_functions::FunctionIsDisabled() should not be called statically, assuming $this from incompatible context in C:\HostingSpaces\<PRIVATE>\wwwroot\assets\snippets\phpthumb\phpthumb.bmp.php on line 737