The following is curtesy of friendly players who had this in their bio to help the rest of us. Please copy and paste in your bio to help others. Thank you.
Damage types to use
Angel - EM(shields) Explosive(Armor), or thermal all round
Amarr Navy - EM (shield) Explosive(Armor)
Mordus - EM (shield) Explosive(Armor)
Gurista - EM(shields) Explosive(Armor), Thermal/Kinetic all
round
Blood - Thermal
Sansha - Thermal
Serpentis - Thermal
Mercenary - Explosives (Thermal?)
Caldary Navy - Explosives (Kine/Therm)
Khanid - EM(shields) Explosive(Armor)
Zazzmatazz - EM(shield)/Explosive(Armor)
Rogue Pirate- EM(shield)/Explosive(Armor)
Odamian - EM(shield)/Explosive(Armor)

:What type of damage rats attack with (&weak against):
* Angel: All types, although mostly kinetic and explosive.
* Amarr Navy: EM and thermal.
* Ammatar Navy: EM and thermal.
* Blood: EM and thermal.
* Caldari Navy: Kinetic and thermal.
* Centii: