Armin Tamzarian released Metaphrasis v0.1.1

Metaphrasis is a static conversion class for transforming RGBA image buffers into various GX texture formats for Wii homebrew development. Metaphrasis is written in C++ and makes use of a community standard and newly developed algorithms for conversion of 32-bit RGBA data buffers into various GX texture formats common to both the Gamecube and Wii platforms.

http://wiibrew.org/wiki/Metaphrasis