hi, i just downgrade to 3.1.. delete DB, reinstall new version..

http://foto.podstromami.com/

when i want open gallery, then url is http://foto.podstromami.com/some_album/ , but i have photos in foto.podstromami.com/albums/some_album/

i have htaccess 777 but is zero size..
what can be wrong?

You really should do some research on this. Probably even read the troubleshooting guide. We really do get tired of answering this question time and again (thus the entry in the troubleshooting guide.)

Short answer is that foto.podstromami.com/albums/some_album/ is not the correct link, http://foto.podstromami.com/some_album/ is correct and always has been.