I've heard "divorce showers" are the newest "support system" for girlfriends with their buddies... my wife and I found this funny site last night. They make a CD with parodies of popular songs, but done for divorcees.
You can hear clips of the songs, but the best part is the full lyrics are available off the main page. Check it out, funny stuff!
On topic, what would you give as a gift to a friend, recently divorced, to encourage them and celebrate their strength?