If you're asking how to install Wads .. they're the same with VC and WiiWare Wads .. use Waninkoko's WAD Installer or WAD Manager. you don't actually "install" WAD Manager .. just run it through the homebrew channel (there is a WAD Manager Channel .. but it's plagued with reset problems .. so I don't suggest using that version).
Personally, I use WAD Manager 1.21.
Just load the sfiiturbovc for SNES under your SD:wad folder.
Here's a start for your browsing:
PAL -
[Only Registered Members May View Links| Click here to register]
NTSC -
[Only Registered Members May View Links| Click here to register]
Make sure you also download "free the wad GUI" .. so you can change the WAD's region if necessary .. or remove it totally.
Once you install the WAD .. it will show up as a channel like all other WiiWare and Virtual Console games. Just watch how much system memory you use though.