I can confirm this.
Image location is /usr/share/backgrounds/warty-final-ubuntu.png.
ls -al /usr/share/backgrounds/warty-final-ubuntu.png -rw-r--r-- 1 root root 496183 2008-10-14 15:58 /usr/share/backgrounds/warty-final-ubuntu.png
I can confirm this.
Image location is /usr/share/ backgrounds/ warty-final- ubuntu. png.
ls -al /usr/share/ backgrounds/ warty-final- ubuntu. png backgrounds/ warty-final- ubuntu. png
-rw-r--r-- 1 root root 496183 2008-10-14 15:58 /usr/share/