To send a pic via PM, I think you need to post it somewhere (photobucket, flicker etc)and send the link or IMG code in the PM.
You can upload it to your album here on NT and make that album private. then you can still use the IMG code to send in the PM.
http://neurotalk.psychcentral.com/fa...faq_vb3_albums
I didn't try this but it should work.