Very Large Jagged Heel Spur

I took ya'lls (is that a word?) advise and went to the doctor this morning about my foot.

Sexy, huh? (but why is my second toe so long?!?)

 They took x-rays and told me that I have a  "very large, jagged" bone spur in my heel. 

OUCH! (this is not my real foot)

So my doctor prescribed me an anti-inflammatory that should (hopefully) help with the pain. If that doesn't work to take the pain away, I will have to have surgery to remove the spur. 

The doctor said I could resume normal activity as long as I wasn't in pain. He also said it will help when I lose weight because not as much pressure will be on my heel (and he was very impressed with the weight I have already lost since my last visit - YAH). 

I'm going to switch to activity that doesn't put as much pressure on my feet - like biking, swimming, and water aerobics (thanks for the suggestions!). 

Any more ideas for low impact activity?