libwiisprite is a C++ sprite library written for the Wii which utilises GX for all it’s graphical operations, meaning the GPU is used to accelerate graphics.
libwiisprite aims to make developing Wii homebrew simple and fun with better graphical results than currently existing libraries.
libwiisprite is currently under heavy development, but this version is a semi-stable version allowing most of the proposed functionality of the library.
Currently PNG w/alpha is the only supported image format.
The library comes with full Doxygen documentation to help get development started. It is also available online: http://feesh.braingravy.co.uk/libwiisprite/
http://www.wiibrew.org/wiki/Development_Applications/libwiisprite