Looking for photo sites (like flickr)
 

Does anyone know any besides these (in any language or country)?

myalbum
webshots
flickr
smugmug
pbase
photobucket

Those are the only ones I know of, but there must be others.:)

Why do you need more than 6 photo sites?

I'm looking for pictures of hallucigenia fossils. I've found a few so far, but there aren't many out there.:)

Just try a google image search for 'hallucigenia fossil'. It will find photos on any of those sites as well as people's blogs and other websites. That's your best bet.