Hmmmmmm something creative, something creative...
EDIT: Ah, here's a fun one. When I was a young teen I created forum signatures for people in my Counter-Strike clan, here are the ones I could find on my ancient Photobucket account:
Aaaaand, thematically appropriate (note the custom brush shape!):
Learned all I know about Photoshop from those filters, layers, and brushes
)