I sign every thing I do so that people can't rip it. Usually it's in a hard to find place so that they think they can get away with ripping, but if there's any contest about whose work it is I can prove it's mine by pointing out my signature.
It's blatant on the flower girl picture. If you can figure out where I left my signature on the Lil' Wayne tag then I'll make you a tag.
Edit: I hate you Ossie.
Challenge defaults. I will make Ossie a tag if he wants.