Ubuntu recently released their upcoming ubuntu 13.10 saucy salamander community wallpapers and as alway they are beautiful and elegant. These wallpapers include 3 hi-res pics of those salamanders.
Webupd8 has made a post regarding this and you can download those wallpaper from webupd8 directly. Alternatively, if you want to download all the ubuntu 13 community wallpapers, you can do so via webupd8 or you can just click this link to download directly.
Credits: Webupd8 13.10 Community wallpapers