I was thinking something along those lines yesterday and my suggestion was to affix a pic of our 1st Lady's plus size, posterior on the containers of Ben and Jerry's, Big Macs and Super Size Fries, which she now admits she is addicted to with the appropriate warning:
"Caution: You too may grow up to have a 2 ax-handle wide derriere, while hypocritically preaching to others about leading a healthy lifestyle "