You would post it on their profile here on the forum, and on the
Art Fight Post (click). You post it in this format:
I NAME from the NINJA/PIRATE team attack NAME with PICTURE LINK. This is worth NUMBER points.
So if I attacked you with shaded large art, it would look like this:
I, Jazz from the Ninja team attack Huskeyheart88 with (insert link here). This is worth 20 points.
c: