Hi..
make sure your paths are correct...
(for you they should be)
PATH to UPLOADS directory =
/home/bilforum/public_html/kjopsalg/uploads
Full path to PhotoPost data directory =
/home/bilforum/public_html/kjopsalg/data/
URL to UPLOADS directory =
http://www.bilforumet.net/kjopsalg/uploads
-T