I posted about this months ago, I wanted to repost this topic to see if anyone has anymore recomendations on these storylines. I ordered alot of the books that were recomended on here and liked them alot.

Girl falls in love with her brother's friend or the man falls in love with friends sister.

Girl teased in school because of her looks and/or being poor, falls in love with the guy who teased her when she gets older.

Contemporary romances about plus size woman

Bets between friends about the woman

i just read letters to kelly by suzanne brockmann..it was about a guy who fell in love with his BF younger sister..it was really sweet

Not sure how steamy you like your books but Bella Andre has a book called Take Me that has many of the things you're looking for.  Lily is size 16 and not entirely comfortable with her "curves".  She has known Travis and his brother Luke since they were children. She is best friends with Luke but Travis began rejecting her when they were children. This book is about Travis and Lily finally getting together. I think it would fall into the category of Contemporary Erotic Romance.

I read Take Me.   It is steamy.   But really a sweet story.

In Nauti Nights by Lora Leigh: The hero falls in love with his step-sister. Their parents married when they were teens so it's not creepy or anything like they grew up as brother and sister.  He fights it for a long time because he believes she's too young.  It's graphic though. 

In the Fallen Angels anthology by Lori Foster: in one of the stories the sister of the hero in the 1st story falls in love with his BF and partner. 

That's all I can thin of right now.

Jennifer Crusie's Bet Me

Thanks for all the suggestions !!!!