Tebra's by far one of my favorite artists.
You can find a few yahoo groups with a lot of his art.
http://groups.yahoo.com/group/malesuperheroesaswomen2/
1-6 I do believe for that.
http://groups.yahoo.com/group/tebraart/
http://groups.yahoo.com/group/tebraart2/
Groups dedicated to just him.