File :-(, x, )
adsffdsa Anonymous
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>> LittleDramaBoy
>>28931
Ok, now I must ask... how'd you do that? o.O
>> Private
i want to know how to do that too
>> Anonymous
He's exploiting the preview generator by interlacing two images.

Pretty neat.
>> Anonymous
>>29386
the real trick is that the thumbnail generator ignores gamma info, while your browser doesn't.

quite easily done with bpng.exe
>> ??????? !KEBab7wem6
Too bad this doesn't work in 4chan anymore. It used to, in ye days of yore of /b/, but after the thumbnail generator started resampling the images, it stopped working.