Thank you, Dunny & Sirdude!
I check perms and they all are OK. I haven't changed any default locations. What is the default location of user avatars?
cache (OK)
cache_builders/custom (OK)
gallery/default/full (OK)
gallery/default/medium (OK)
gallery/default/thumbs (OK)
gallery/index.html/full (OK)
gallery/index.html/medium (OK)
gallery/index.html/thumbs (OK)
images/avatars/default (OK)
images/forumimages/default (OK)
images/graemlins/default_dark (OK)
images/graemlins/default (OK)
images/icons/default_dark (OK)
images/icons/default (OK)
images/markup_panel/default_dark (OK)
images/markup_panel/default (OK)
images/news/default_dark (OK)
images/news/default (OK)
images/news/.svn (OK)
images/moods/default_dark (OK)
images/moods/default (OK)
includes (OK)
languages/english (OK)
languages/english/admin (OK)
sessions (OK)
styles (OK)
templates/default (OK)
tmp (OK)
