Just remember when doing anything online bdsm or otherwise: setting something on "private" doesnt mean it stays that way or that those you dont wish to access it cannot gain said access with just a little work on their part.

Be aware, pics, cam sessions, what you type into an email or forum or in chat (yes even a private chat) or unto an instant message system such as yim etc, is there online forever in one form or another (even when you think you have deleted it) and may become general public domain one day weather you want it to or not.