I moved my files from an old server to a new server, using these instructions:
http://codex.wordpress.org/Moving_WordPress
All my old images are showing up, though they're still linked to the previous database. This is not a problem. But I cannot add new images. If I try to add a new image to the Media Library, I get this error message:
Error saving media attachment.
When I try uploading a new header in Twenty Ten, I get this error message:
Unable to create directory /var/www/html/le/mccordworks.com/wp-content/uploads/2010/08. Is its parent directory writable by the server?
I know for a fact that my MySQL database is in order; just verified with my webhost. What did I miss with my migration and upgrade? Oh, yeah, I did the upgrade almost simultaneously. I didn't want to, but that's how it happened.
New site: http://mccordworks.com
Old site: http://leisamccord.com/blog