The h3wallpaper.zip file you have requested: Media / Desktops / Halo 3 Wallpaper Pack - 1.78mb is not available. Perhaps try browsing all files for the game Halo 2 and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Halo 2, visit Halo2.filefront.com Jackle has sent in a set of high-res widescreen wallpapers of Halo 3. All pictures are in 1920x1200 format.