Well, here's a sample of the postcard that I had made up with my blog URL, just for fun. Perhaps you recognize some of the pictures I used here.
I used Overnight Printing, and they did quite a nice job. They included a bunch of safety tips on cards for Halloween as a free gift, which I though was a cool added bonus.
I suppose I'll still give out some candy along with them. Don't want to get any trick-or-treaters upset!