Faces.com has very cool widgets for your blog. (it made 4 categories on this blog) They offer an embeddable display for your photos. They also integrate TuneFeed player into their whole "Mashup". The mp3 player is also embeddable in a website.
Faces.com is a socializing site where you can browse other users, rate their photos and playlists. You can embed any users photos or playlists in your blog if you wish.

Faces.com (main)
TuneFeed (main)
Faces post by Mashable
Faces post bt Techcrunch