Modified to work with lively wallpaper system, reacts with system audio.
Download: Fluids_v3.zip
Drag & drop the file into lively window.
http://developer.download.nvidia.com/books/HTML/gpugems/gpugems_ch38.html
https://github.com/mharrys/fluids-2d
https://github.com/haxiomic/GPU-Fluid-Experiments
The code is available under the MIT license