I use WordPress 3.0.1 and I have problem with NextGen Gallery 1.6.2. I can't use flash upload images to gallery and i receives a message:
.../wp-content/gallery/blabala contains no pictures
ERROR HTTP ERROR : park2010-01.jpg : 404
I trying to change permission (777,755,...) in all ways what i found in this forum but it isn't help.
how can I solve this problem?