I'm waiting for the commemorative stamp, or dollar coin. I still can't find one of those Obama chi-a-pets, as they were deemed racist...
Page CRS-7 of the "CRS Report for Congress. The United States Flag: Federal Law Relating to Display and Associated Questions." April 14, 2008. The Flag Code Title 4 United States Code: ยง 8. Respect for Flag (g) The flag should never have placed upon it, nor on any part of it, nor attached to it any mark, insignia, letter, word, figure, design, picture, or drawing of any nature.
g) The flag should never have placed upon it, nor on any part of it, nor attached to it any mark, insignia, letter, word, figure, design, picture, or drawing of any nature.
(i) The flag should never be used for advertising purposes in any manner whatsoever. ... Advertising signs should not be fastened to a staff or halyard from which the flag is flown.