omnia wm 6.5 help

[Guest i900Man]

I need a litter help with my wm 6.5 on my omnia.

1) when i go to the stat menu it changes my background automatically. how can i stop this?

2) steps for installing a theme?

3) my lock open again right after i slide it. help?

last, i dont have the default touch player, how can i get it back