Well, a couple of things, first... There are many styles... which did you have in mind?.. also, is this actual 2D or were you going to make one in a 3D app, then apply the image as a mat?  Normally, the commonest thing is to download a royalty free inage, then use that. I don't want to seem obstructive, but more information would help. Lou.

"..... and that was when things got interestiing."