A Treatise on Sleeve Drafting. (As a sidebar: the person who keeps the Fashion Incubator site is largely responsible for helping me love the skin I'm in more. Clothes shopping got so much less fraught when I could ID the things happening to skew fit.
This girl does one refashion a day of awkward thrift store clothes and nails it almost every time - its crazy! Love the prints and everything makes me want to learn to sew so bad! I sooooo need to learn to sew!
There are some good sewing tips and free patterns here. Another pinner said: This is the most useful website for sewing clothes I've ever seen. Free patterns for men, women and children, techniques, detailed "how-to's"
FBA Illustrated - Each cup size greater than a B increases the fabric required by to inch in both length and width at the level of the bust (per cup size). This will prevent the strain and pulling up at the bodice.