Originally Posted by who

Ok suggestions:
1. Each item has a pic, linking to a gallery where the pic came from (or wherever it did come from)
2. Text - each item has a brief paragraph of text which includes keywords linking to your site.
3. Videos (instead of pics) is also nice. Nubiles.net has a video feed and a pic feed, they work really well together.
4. Variations on post types. Sometimes a single large pic with text, other times eight thumbnails instead of the pic, etc.

I think these are just simple things which end up making your RSS feed a billion times better than so many other feeds out there.