On my Debian desktop, I have a USB entry in /etc/fstab:
Code:
/dev/sda1 /mnt/sda1 vfat noauto,users,owner,exec,umask=000 0 0
You can then right click on the desktop in KDE and create a device entry for /dev/sda1 with mount point /mnt/sda1. When you click on the device icon, it will automatically mount it and open it konqueror for browsing files.
Of course, to get the above working, hotplug must be working properly as Dead Parrot said above.