I agree with cjs216 and marilynk. It's not your wedding and just because you've never been in a wedding is no reason to think this is your big chance. Any way, it is the brides choice to choose the bridesmaids. If she chose the groomsmen too, and your brother is OK with that, then that's fine and dandy. Also, the bride ususally makes arrangements for the other things. Don't whine and don't put your brother on the spot. And I certainly wouldn't skip the wedding just because I didn't get my way. You'll only make things worse.