Hi all
Love photojojo... you should join up - they have very funky ideas on everything to do with photos... get their email, you won't regret it.
Check out this post
http://content.photojojo.com/diy/doodle-on-your-photos/?utm_source=PhotojojoNewsletter&utm_campaign=642161c606-Doodle_on_Photos7_26_2011&utm_medium=email
Cheers Tan