well no where u just have to order it bu if they did have it in the store it mite be tricky to find one!
Some games allow you to unlock gamer pictures. But to download gamer pictures, you will need Xbox live.
no they are just for gamer score (GS)
You buy the great pictures off of the xbox live store.
No
Either the marketplace or take a picture of your avatar.
No, there isn't a specific reward of a free theme or gamer pictures for beating 'Splosion Man. However, some games may offer in-game rewards or achievements upon completion.
Yes, they are available to download over Xbox live marketplace
what is gamer Id
No. A gamer is someone who plays games, that does not mean he is a gamer.
Well i think you can get them of xbox live and if you beat mass effect on insanity or hardcore you get one but i dont know if you have mass effect or if you have the halo 3 collectors or legendary it comes with a few actually mass effect is a shooter rpg that has two difficulties to unlock, hardcore, and insane. beat them and you will get a n7 gamer pic and a saren gamer pic. Xbox live will let you download some too.
The disc has bonus content such as important side-notes, gamer pictures and art galleries.
Yes, XBOX live Silver comes free with you're xbox 360, altough you're are going to need a internet connection.