I have partaken in a great project with 200 other artists from around the world.
I was in the first one when living in Spain and was delighted to be invited for no 3, there will be a book, exhibition and please check the site there are some awesome artworks winging their way from all over
http://www.mailmeart.com/
All work to be done on back of an A5 envelope hand drawn only then sent with fingers crossed through the mail..
going for a cute sickly look....
Add a kitten
and some ribbon
post in the rain and cross fingers it doesn't run like my mascara