Help to make tactics (Dragon Age: Origins)

I the passage of such games is always hard to make tactics properly to pump Persian and so on. I also Skyrim and fallout there is nothing really did not play. I collected myself here Drim Tim - Alistair, Morrigan, Liliana and I, the warrior dwarf. I wish that the girls always fought from Dali, Lilliane I gave a good bow and Morrigan, and so fires back with a stick but always creeps into the mix. Still need that one other was treated on the machine if necessary. In General, how all this stir and generally give tips and even a light pair hard to have