The Final Hour

I am working on an expansion for Generals Zero Hour, named "The Final Hour." I need to create a completely new faction known as "Storm Technologies." Basically, this faction has only one General, named General Storm. I also need to know how to change the descriptive text that appears when you mouse over a faction in Skirmish select. "General Storm uses nanotechnology and 'Wraith' systems to terminate his enemies." I also need to create brand new units for this faction. I already understand how to add new units to Worldbuilder by cloning INI files and editing them to my needs. On that topic, how would I edit the damage a unit will do, and add a high-explosive cannon effect to a Paladin Tank?