hey george
go to some good tgp's that list nice galleries and look around for good galleries. then list those on your site at the top of the list (right under my galleries) if you use thumbs make some very nice thumbs and make sure you send as many hits to those galleries as you can.
half the tgp's on my submit list just showed up in my stats. i never submitted to them. but after seeing them in my stats i added them to my list.
if you keep doing that long enough you will get some good submitters.
hth, rl