Steveice10 and lukegb have added Wiinstall v13.1

Wiinstall is a homebrew application based on Dop-Mii. It has the patching option removed and uses IOS58 + AHBPROT. (Icon is placeholder)

With Wiinstall you can:

Install or Delete any IOS including STUBs
Install/Upgrade/Delete the following channels
*Shopping Channel
*News Channel
*Weather Channel
*Photo Channel 1.0 & 1.1
*Mii Channel
Install any System Menu
Display your Wii's boot2 information
Receive a detailed report on your Wii's internal workings

http://wiibrew.org/wiki/Wiinstall