where can i find 24 them and gamer pictures?

hi guys

im a huge fan of 24 show and i gone to xbox.com to check out some free themes i found 24 them i gone from my xbox360 to the market place but i cant find the themes or gamer pictures. can anyone help telling me where to find these thems and gamer pictures ? it will be really nice.

thanx

My m8 wants the conker gamerpics 2 so if you could find em tell me