I haven't seen Brokeback Mountain and I don't plan to. No big reason, but it didn't strike me as super important. However I feel differently about Milk. Check out the Gospel and Culture Project review.
If you're too busy waging wars within the church over whether or not homosexuality and Christianity work together, you can forget to actually kindly minister to the homosexual culture itself. We should match our opposition to pro-gay Christianity with our devotion to our loving concern for people who live the gay lifestyle.