Printable Holiday Envelopes: "I think we can all agree that snail mail during the holidays is the best. Next to birthday mail, holiday mail is happily filled with bright envelopes, beautiful cards, smiling photos and notes from actual people!
In France, the tradition on April is to tape pictures of fish to people's backs without them noticing. When they finally discover it, you shout "Poisson d'avril! What's your favorite April Fool's Day tradition?