Please help!

[Shadow-Zero]

Id really like some help. i have been searching and dont know what to do. Im trying to do something simple and dont know how. (well i think it would be simple i could be wrong)

Basically i just want the today theme to be black and thats it. i want to be able to use the picture i have on my phone as backgrounds and change when i like, is this possiable or am i just out of luck.

id love any help i can get like i said i have serched and fonds themes with black and a whole bunch of other nice thinsg but i really dont want any of them just a black today theme for the phone with the ability to change pics like i can do with the preset today themes