Brent Simmons over at inessential.com asks: "Does anyone have a URL or URLs to photocasting feeds? I’d like to see what they look like. Thanks!"
Why, I sure do. I've had one going for several years now just using my MovableType photolog that I created. Click on the link in the lower right corner of the main page or click here for the Kingdom of Squirrels Photolog feed.
Didn't realize I was so far ahead of the curve! :-)