I need your serious suggestions guys.

I'm here in US and got selected for DV 2013. There are  some concerns that i would like to share with sajha people hoping some one must have been through and would be able to guide me in the right direction from here.

Concerns are :

• While submitting DV lottery form, instead of using my us address, i used my permanent address from nepal ---- Does it matter ?
  
• I was single when i applied for lottery but i'm married now  -- How should i include my  spouse in further processing  of the application?
• As per dv lottery site, under normal circumstances one should be able to file for change of status from within US --- How about my scenario ? Do i need to go back to nepal ?

Your valuable suggestions would be highly appreciated.

Thanks