Download Suses official RPM package and install with yast or rpm.
Can be downloaded from here:
Now after reading a bit carefully, I noticed you are looking for somethin completey diffrent...
But if you install the rpm. Firefox should be places in programs menu, and after that you can just drag and drop for shortcut.
I have been searching the same place for those icons and stuff, but haven't found it yet.
In windows we would have a place for all that crap in docum&settings/all users/Desktop.
Kde on the other hand offers for a newbie too many choices and I have no clue what look for.. Textfile, hidden directory, jpgs...
It might be somewhre in /etc/opt/kde3/share/ or maybe in /opt/kde3/share/apps/...