There are a lot of different RSS feeds for this site. Here are some likely to be of interest.
The main one gives you everything--the forum, my blog, all story updates, and so on:
This one gives you everything in "An Intimate History of the Greater Kingdom," including all bonus stories and artwork:
This one gives you ONLY story updates in "An Intimate History of the Greater Kingdom":
This one gives you ONLY story updates in "Scryer's Gulch":
This one gives you both the Gulch and the Kingdom, story updates and artwork together:
This one gives you ONLY my blog:
This one gives you ONLY the official artwork:
Many pages have their own RSS feeds attached to them as well; look for the RSS icon at the bottom. If there's a feed you'd be interested in getting that isn't here, let me know! Sadly because of the way Drupal works, I can't offer a comments feed right now; it overrides the main feed and I can't have that.