This has every Star Fox Adventures: Dinosuar Planet site you could think of and information on the sites. I haven't found that many sites, so if you know ones I can put on, e-mail me.

Official Sites
Nintendo At E3 Has info, lots of screenshots for Dinosuar Planet.
Official Site Tells about the game. Has some downloads.

Other Dinosaur Planet Sites
StarFox Planet Great site. Has info on characters and bosses, has walkthrough, reveiws, cheat, hints, and lots of media.
Dinosuar Planet HQ Has tons of media, talks about the characters and story.