Group: Unstable (example)
A simple air pressure feature to Blender cloth simulator, and spring length scaling factor, hope it will be useful for somebody.
The blenderartist post: http://blenderartists.org/forum/showthread.php?251816-Blender-cloth-simulator-air-pressure-enhancement you can find screenshots and videos here. (the patch in this link is a bit outdated)
The attachment is a patch against svn r45571.