I skipped over
YourMinis, not wanting to install anything new. I love gadgets and widgets, but I try to restrict them to my
iGoogle page (on which I have three tabs to keep all of my gadgets, like my Google Reader, Gmail, Google Bookmarks, Google Notebook, etc.). I went on to Photobucket, which differs from Flickr in that you can post anyone's content to your site (generally embedded, like a YouTube video).

What's neat about Photobucket is that it allows you to upload photos, videos, and other animations for sharing over the web. For embedding images and videos, I think it's much easier than Flickr--the tools are more like YouTube's. Though there doesn't seem to be a filter for searching--a few of the photos I saw when searching "dressage" were a bit sketchy.
Scrapblog is really fun and cool. I made a quick scrapblog: