it is closed now i think....
but it was a site where we would post all the glitches in pokemon games, (and hacks and etc) and explain why it does that and stuff....
sadly the site closed, and nobody gets on the temporary forum as much so it's pretty much dead if you ask me...
anyways, there was some cool people there that would edit pokemon sprites and stuff....
if you can find them, i'm sure they would be glad to help....