Sign up for the RTD mailing list and be entered for the monthly drawing - a FREE, signed, 5"x7" art print of your choice. You'll also be entered for the grand prize - a full sized 16"x20" limited edition, signed and numbered print that will be given away at the end of the year. RTD will even pay for the postage too, so you've got nothing to lose.
Do it! His artwork is great - well drawn and humourous to boot!