Image varification

I want a webpage that you can download folders of 20 images from.

I want each of those images to have 1 or 2 pixels colours inverted.

I want each subsequent download to invert different pixels to the previous downloads.

Would a measly £100 be enough to persuade someone to create such a thing?

All images will be 400x400 pixels.

a measly £100
Wow, that's enough to buy me ramen and beer for months!

Elaborate, not sure I understand. Perhaps step through an example?

If I have an online image folder containing 20 400x400pixel images and I were to post those images on 4chan; because of the duplicate image search no-body who downloads my folder would be able to post the same images.

I'm looking for a way to automatically invert the tone of 2 pixels of each image in the folder, thus changing the image enough to bypass the duplicate detection.

However each subsequent download of the folder would require different pixels to be changed otherwise the duplicate detection will trigger anyway.

I would like to have multiple folders online of my favorite "meme" images that people can download and post without worrying if there was a live copy of the same image on the website.

I hope this clarifies my position. the 400x400 pixel count is just my most common sized images, if this were possible with various sized images I would prefer that but I fear that wouldn't be feasible.

#! /usr/bin/env python
import Image

# Rest is left as an exercise to the reader

Ohhhh you want to spam the image boards.

What's that, >>1? You want to know what Tanasinn is? Well, it's hard to put into words, but I think the best way to describe it is this:

Imagine you were a toothbrush. A great big stinky toothbrush, who is as as happy as a toothbrush could be. Imagine one day, a DQN comes along, and says “Bonjour”. You try to respond, but you cannot, because you're a toothbrush.

Suddenly, the DQN jews and his goggles fall off, revealing he has an extra vulva. You try to run away, but you cannot, because you're a toothbrush. So you just sit and watch as his vulva splits open, to reveal a golden statue of a cat.

The sky above you is filled with rime. Dongs rain from above, making a “GOOSH!” sound as they hit the ground. The DQN doesn't appear to notice.

You begin to panic, and then you realise. You are in Best Korea! The DQN laughs maniacally, and starts to cry NICELY, leaving kimchi stains everywhere. Finally you can take it no more. You shed your toothbrush disguise, stand up, and firmly rape the DQN's nigerchanger.

Yes, my snoogy-woogy, this is what Tanasinn is like.

Sounds disgusting (ruining pictures).
It also sounds easy, but spam is annoying, so no.

You don't even have to modify the pixel values to fool the duplicate check. People who do so are disgusting, ruining images like that.

Also, doing this takes literally less than 80 characters of source code in PHP

What is the the page which host these pictures? Can you post the URL?

>>5
Just do this.  Why in the hell do you need it to be a website?  Because you want it to be slow?

>>7
Suddenly, the DQN jews and his goggles fall off,
Gets me every time.

>>9
You don't even have to modify the pixel values to fool the duplicate check.
So Yotsuba's MD5 hashes are of the whole file, not just the image data? They're already using ImageMagick which has this built-in, why the hell wouldn't they use it?
Garblegarblegarble.

>>13
lol