A quick tip for adding your newly created app to a facebook page to start with this guide has most of what you will need: http://blog.hubspot.com/blog/tabid/6307/bid/26330/How-to-Create-Custom-Tabs-for-Facebook-Business-Pages.aspx however the bit to watch out for is the custom URL it tells you to use in step 6 http://www.facebook.com/dialog/pagetab?app_id=YOUR_APP_ID&next=YOUR_URL the first section is the APP ID given to…