I need help . . . I want to play through dragon age: origins, and awakening . . . and have everything turn out in the best possible way.

I need a walkthrough telling me how to get through these games, so that fereldan is in the most ridiculously awesome state of being as is possible. I did it once before (or at least I . . . THINK I did)

no demon baby, no drunk Alistair . . . no me dying

there has got to be a way, even if it involves my character making one or two choices that seem evil at the time (in that case, is it possible to bring team-members who will not react negatively to the choice?)