oblique and lower ab exercises

Try there sites they might help:

http://www.fullfitness.net/exercises/abs
http://www.busywomensfitness.com/exercises.html

Fitclick.com has excellent video and written tutorials on hundreds of exercises. Menshealth.com and womenshealth.com also have a good selection of ab and core workouts. You can also find a good assortment of exercises on Youtube and turbulencetraining.com.

Bump!