YouTube! Just be careful, there is some seriously BAD form out there…
Also, great reference books for training WOMEN specifically:
The Ultimate Body SHaping Bible
The Body Sculpting Bible for Women
The New Rules of Lifting for Women
Muscle & Fitness Hers 101 Workouts for Women
Muscle & Fitness Hers A Woman’s Guide to Weight Training
Also, I *LOVE* FitDecks, although some can be VERY basic.