I myself have designed and then coded to all of these fan pages and apps in a company and now I am going to do independently.
I have full command over fb-iframe and fbml for developing face-book fan pages and apps anMore
I have created this script already in one of my projects on another freelancing website. I can deliever the script with small modifications that will be according to your requirments in less than 2 hours. You have to tMore