http://xbssm.popullus.net/
Yukipon's Fanart-site. Absolutely gorgeous manga-style art.

http://www.ban-donn-ruadh.com/fiendling/
Fiendling's personal website. There are links to Fiendling's very popular fanart and fanfiction.

http://www.freewebs.com/darkestmagic/
A site dedicated to quality Harry/Draco fan works - art, fanfiction, fanvids, etc.

http://www.fuuko.com/doujinshi/
A Harry Potter doujinshi website.

http://www.walkingtheplank.org/
The home of all your Snape/Harry needs. Here you will find quality fanfiction, wonderful art, meta, and forums to discuss our favourite ship in the Harry Potter universe.

http://hpwalls.com/
A Harry Potter Wallpaper Site ,with more than 150 wallpapers.

http://designs.potteritus.net/
A growing graphics site that creates layouts featuring both canon and fanon couples from the Harry Potter fandom.