File :-(, x, )
Anonymous
hey /p/ i need your help.

how do people make a picture where the thumbnail is a completely different image from the original picture? theres a picture that looks normal but when you click it says "all abort the fail boat" with a picture of a capsizing freighter. can you help? pic unrelated but i took it so its photography related.
EXIF data available. Clickhereto show/hide.
Camera-Specific Properties:Equipment MakeEASTMAN KODAK COMPANYCamera ModelKODAK EASYSHARE C743 ZOOM DIGITAL CAMERACamera SoftwareVersion 1.2000Maximum Lens Aperturef/2.7Sensing MethodOne-Chip Color AreaFocal Length (35mm Equiv)36 mmImage-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution230 dpiVertical Resolution230 dpiExposure Time1/2 secF-Numberf/2.7Exposure ProgramPortrait ModeISO Speed Rating140Lens Aperturef/2.7Exposure Bias0 EVMetering ModeCenter Weighted AverageFlashFlash, Auto, Red-Eye ReduceFocal Length6.00 mmColor Space InformationsRGBImage Width3072Image Height2304Exposure Index140RenderingNormalExposure ModeAutoWhite BalanceAutoScene Capture TypeNight SceneGain ControlLow Gain UpContrastNormalSaturationNormalSharpnessNormalSubject Distance RangeUnknown
>> Anonymous
You are better asking in /b/ as that is where it is used normally for tricks and trolling. There are at least a couple of ways of doing it. Go ask there as that is where it is best known.
>> Anonymous
you know as well as i do /b/ is worthless for real advice
>> Anonymous
>>99000

/b/ IS WORTHLESS GET.
>> Anonymous
you mean an animated gif?
>> Anonymous
>>99004
no that's what's crazy i'm 99% sure it was a jpeg but it could have been a png. it wasnt a gif though.
>> Butterfly !xlgRMYva6s
the way 4chan scans a file for its thumbnail is different to windows as such you can use gamma trickery to hide images (more sucessfully now too the older ones were a bit dubious).
>> Anonymous
>>99006
this went way beyond gamma tinkering, this wlike he changed the actual thumbnail data to a completely different picture (which i'm pretty sure he did and i want to know how)
>> Anonymous
     File :-(, x)
>> Anonymous
>>99012
both images were crystal clear in the pic i'm talking about
>> Anonymous
>>99013

WHY DIDN'T YOU SAVE IT THEN, FAGGOT!?

I know what you're talking about. Ask /b/. Seriously.
>> Anonymous
     File :-(, x)
Testing...

Camera-Specific Properties:Camera SoftwareAdobe Photoshop CS2 WindowsImage-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution72 dpiVertical Resolution72 dpiImage Created2006:06:16 17:11:21Color Space InformationsRGBImage Width1280Image Height1024
>> Anonymous
>>99015
your test failed
>> Anonymous
>>99015

Damn. It worked in Windows Explorer. Must be something else then.
>> Anonymous
>>99017
4chan compiles its thumbnail from resizing the image I believe.

Therefore you need to find what pixels it shrinks down to for the thumbnail (Make a checkerboard style grid with blocks of one pic and blocks of another until you find out exactly which ones it calculates.
>> Anonymous
>>99018
its not that. i'm pretty sure it has to do with the actual data of the file. is there some way to edit the way the computer reads the thumbnail? /b/ doesnt just resize it theres something more sinister going on
>> Butterfly !xlgRMYva6s
     File :-(, x)
this used to work i duno if it still does, even so it should show you what the rezing is about.
>> Anonymous
nobody figured it out eh? :(
>> Anonymous
>>99022
How do you make this one??
>> Sicko !L3HRY/miC.
     File :-(, x)
Like so?

Camera-Specific Properties:Camera SoftwareAdobe Photoshop 7.0Image-Specific Properties:Image OrientationTop, Left-HandHorizontal Resolution28 dpcmVertical Resolution28 dpcmImage Created2006:07:28 01:02:23Color Space InformationUncalibratedImage Width750Image Height600
>> Sicko !L3HRY/miC.
>>99113

Damnit, well, when you save this, the thumbnail is totally different. Different thing to resizing, not sure if it's what you mean.
>> eku !8cibvLQ11s
     File :-(, x)
>>99007

Thubmnail data is always separate from the image it self. It has to have been some of these gimmicks already proposed on this thread.
I bet my money on gif like this.
>> Anonymous
>>99114
yeah thats what i was getting at

>>99115
could have been it i guess. could have sworn it was a different filetype though :( everyone in the thread was wtfing
>> Anonymous
>>99022
How do you do that?
>> Butterfly !xlgRMYva6s
I do it by fucking magic if you cant figure it out after that fuck off.
>> Anonymous
>>99141
i understand how it works, but that would be a lot of work, so i was wondering if theres any software that does it
>> Anonymous
>>99149

No, she does the pixel are by hand. One click at a time for each pixel.
>> Anonymous
>>99156
Are making these pictures and putting the time into them really worth it then?
I mean its stupid imho
>> Anonymous
>>99196

Sure. It's pretty funny and if you've got a couple of hours to spare you can play a good trick. That one from Butterfly was good, no? It's only costing a few hours of time and it is good practice for your pixel art.
>> Anonymous
>>99199
photoshop skills would make it take about 5 minutes to set up, then 2 seconds for everytime after that.