>I installed FatBomb 2 and was able to access the admin
>interface and did the testing, but what is my site URL?
Do you mean the URL to Fatty search? Fatty will create a search box for you in the admin. Also, you can strip the do_login off the admin URL. (strip something like do_login)
>And how do I add adsense code and affiliate links to each
You add them to your skins. For more info, see the thread:
#3 Intro to FatBomb Skins