Captain Birdseye, for skins & mods you can't find a better place than bts-mods.com
Everything you're looking for is right at your fingertips - we've got about 30 SH3 modders who host their work on our site. Look through the names, click on their downloads link and browse away!
Venatore has some nice skins in there, as does Koondawg, Yamato9, Wolfehunter, CapZap and a bunch of others - heck I've even got a few myself. Check it out
My sig has the link.