From what I gather, TMP skin is only compatible with TMP bodies and TMP mesh heads. I have not tried it on the default avi nor any other mesh heads or bodies.
Head: L$1,000
Beards: L$500
Body Hair: L$500
Inworld store: http://maps.secondlife.com/secondlife/The%20Shops/128/128/2
Body Hair
MESHFORMEN. 