I do I do! I did a Orange Cranberry Spice pedi for Nov, Dec, Jan. I'm currently doing a Coffee pedi for Feb, Mar, April. I'll probably do a Lavender or maybe something sweet like a berry pedi for May, June, July, August. Not sure about Sept, Oct, maybe a pumpkin or carmel apple pedi. MMMMMmmmm.
I also have been giving my clients a little take home treat with their seasonal pedi. With the Orange Cranberry, I had a local chocolatier make up yummy truffles, individually wrapped in pretty foils and put in mesh bags. For my current coffee pedi I contacted a local coffee roaster and had them put together little sealed bags of their private blend of drip coffee, each client gets to take home a pack. I ask the local businesses for cards and have them put thier lable on the product; they take my poster for the current pedi special and post them at their shop. It's a win-win.
Have fun!