What are some good exercises to tone my core?

What are the best exercises for a flat stomach, skinny arms and skinny legs? I really need to know how to exercise these part...

Does anyone know any good exercises for toning up your body? Such as- legs and arms? Thanx for your help :)

I am average weight but I do need to tone down what are some exerices to do that?

Can you tone your body without exercise :S And how long about so you reckon it would take to loose an inch of belly fat??

does anyone know any exercises thatcan tone your sides?

wats a good exercise 4 a nice back & arms,plus inner thighs??

Whats a good way 2 get motivated for exercise?

what would be a good thing to do for bicep wrok outs.like what exercises should I do?how much should I do them?what foods sho...

if I exercise for like 45 minutes in the morining then eat breakfeast that good

What are some good exercises to help tone your stomach so it's less wiggly torwards the bottom?