Airfoil is a great piece of software that I use for playing music on all the computers and iPhones in my house. This weekend I tried to install Airfoil speakers on the Unbuntu machine in my workshop and ran into trouble. Long story short, I needed to replace the installed DLLs with those of the Windows client. This works because DLLS are .NET libraries and run on Mono on Ubuntu.
I’ve packaged the DLLs here so you don’t have to find a Windows machine to install Airfoil speakers on.