http://fc04.deviantart.com/fs39/f/20...by_semokan.jpg
try to keep it fairly simple, but add some stuff to it
try not to distract too much from the picture
so dont over do it, add little details
words, top left i promise, bottom right to never let you go
heres a good example of keeping it simple, but having details in it.
http://i696.photobucket.com/albums/v..._wings_sig.png
also make the words flow with the picture