A LOT of FREE crochet patterns on this site. This site is dedicated to all crocheters who have experienced that desperate search for a link you ran across, didn't bookmark and then couldn't find when you wanted it.
Mason jar air freshener - fill a small mason jar about 1/4 full with baking soda, and add 6-8 drops of your favorite essential oil. Punch holes in the lid, and place in any spot that could use some freshening. Every once in a while, give the jar a gentle shake to boost it's air freshening power.