To do this you will need maximum support from your boyfriend. He needs to agree to help you do everything he can to make your parents comfortable. Second, ask your parents to invite him to dinner just so that they can get to know him better. For further advice, check http://www.ehow.com/how_2265972_get-parents-like-boyfriend.html.
You can't. It's up to your dad. It took my dad a long time to except my husband and my grandfather has yet to except him. And he has done nothing wrong. My husband is black so that's my issue. Hope things work out :)