Stamping Sensations challenge a monthly challenge which I run, started in January 2010
We Love Stamping, a monthly stamping challenge
Allsorts a weekly challenge which started in 2009, I am a founder DT and proud to run the challenge.
Stamp Addicts, a rubber stamp company regularly featured on The Craft Store
River of Creativity, a monthly challenge with a slant towards mixed media and all craft styles
Previous DT's and Challenges:
Chocolate Baroque (and also We Love Chocolate Baroque challenge)
Penny Black and More a monthly sister challenge to Allsorts, started in July 2010 which I run for Penny Black stamps