- Disconnect the USB cable
- Settings->Application->Development->USB Debugging
- Connect the USB cable
- Notifcation Bar -> USB connected -> Connect USB connected
- Now you have one or two new drives (depending if you have an extra SD memory or not).
Your pictures are in DCIM/Camera
You can put video, pictures, audio in any directory. After disconnecting, the phone will rescan and find everything anywhere.
Have fun
PS. other solution is install Kies software on your PC