Svpe has been using the recent developments of the socket interface and have created a loader that loads stuff over TCP.
It is a TCP server running on the Wii that listens on port 8080 by default that will run any binary that is sent to it. Both DOL and ELF executables is supported. There is no IP address display in the Wii part, yet.
AEP-Emu (DE/EN)
DMG Page (DE)
EmuBit.pl (PL)
HomebrewWelt (DE)
Indie Retro News (EN)
NintendoMax (FR)
PlayerAdvance (FR)
Retroguru (EN)