Anyone on Panoramio? →[More:]
I think Flickr has really got the majority of the market. I like Panoramio's integration with Google Maps, though. If it gets filled out with more pictures it could be really interesting.

I don't use Flickr, or really any online picture-sharing site -- I post things on my Facebook account if I want to show my friends, but even that's not crazy frequent. I have a couple of domains I use for personal stuff that I can put pictures on if I really need to, and I have a couple of Photobucket accounts for the rare occasion I need an offsite message-board avatar or something. I did open a Flickr account to post the LA meetup pics, but that's the extent of my interest in it. (I kind of hate the Flickr site aesthetically and navigationally.)

I guess now that I'm thinking about it, I don't really get into making my pictures world-viewable, y'know?

Does Flickr have a Google Maps mashup? I know the pics are sometimes geotagged.

Thoughts? What do you use?