We've all worked at schools that have had the perennial 'pirates' theme in a quest to get boys interested in learning. This may well help when that brain freeze kicks in for ideas. 30+ pirate activities: lots of learning activities across all subjects, great resource for pirate theme lesson planning.
Take advantage of the fact that Thanksgiving falls squarely within pumpkin season. Pick some small, long-stemmed pumpkins from your local grocery store to make these harvest-chic place cards. Find the full instructions at A Fabulous Fete.