This is interesting. You got some really awesome themes for ubuntu via bisigi repo, and now its time to get some cool wallpapers for ubuntu via kwwii repo. This is how you do it in Ubuntu Karmic.
Add kwwii Launchpad Repo
- Open Terminal and Copy-Paste the following line.
sudo add-apt-repository ppa:kwwii/ppa
Update and Install Wallpapers for Ubuntu
- Again, copy-paste the following lines in Terminal.
sudo apt-get update sudo apt-get install desktop-backgrounds-extra
- Goto Desktop. Right Click - Change Desktop Background. You will see a host of new wallpapers. Enjoy!