Extreme pixels
Vbulletin skins, vbulletin styles, vbulletin templates, ipb skins, ipb styles, ipb templates, phpbb skins, phpbb 3 skins, phpbb styles, forum skins, phpbb3 skins by extremepixels
http://www.extremepixels.com/
Jasidog
Free phpbb and ipb skins and template downloads
http://jasidog.com/phpbb/
Vereor
Web development company specializing in phpbb2 template design
http://www.vereor.com/templates.php?c=1
Zarron
Zarron media is a graphic design agency based in the uk offering services worldwide.
http://www.zarron.com/