The community pack is here:
http://www.shadowsoftware.net/herola...rd/updates.xml
If you have purchased content from FGG, their updates are here:
https://froggodgames.com/sites/defau...GCPupdates.xml
My other update sources are paid content.
If you have anything you've purchased, the instructions would probably be included in a PDF that came with that product.