I'm not going to accuse you of fishing for compliments here, but I especially like the hands in b3, ODR. And the pencils nearly ground down to a nub. One of the pencils has become a missile. Perhaps in the imagination of a bored child. KYT's a2 is outstanding. JER's b1 is clever. I like every square on this level. They blend nicely, IMHO.

About that link in the 910 poem.
 
Artistic envelopes sent in the U.S. mail are doomed by anti-terrorist hypervigilance? The envelope looks impressive magnified in that huge hi-rez JPEG.

BTW, Photoshop Tennis could be a safe alternative if the postal art scene gets too paranoid. {coudal partners inc} <www.coudal.com> GIMP Tennis, anyone? GIMP Tennis matches and website will be organized soon.