dont bother with it, waste of time. believe me ive been there and got the t shirt.
low value items is just not worth persuing. police are not interested. court action is just more money down the drain.
Edited to remove encitement to violence! - Mod.
wont get you money back but very satisfying.
ps. paypal is a waste of time for low value items cause there is a 15 quid admin charge!
high value items are better if paid via CC. always pay by CC if possible.