Firebug is not officially compatible with Firefox 6 since as of this writing, Firefox 6 is on early alphas. However, forcing compatibility works with it. For that, just install Nightly Tester Tools addon and in Tools>Nightly Tester Tools, check “Force Addon Compatibility” and restart Firefox. Now, you will be able to install and use Firebug.
[HOWTO] Enable sound in Mac OS X Snow Leopard 10.5.x or 10.6.x running in VirtualBox
I have recently installed Mac OS X Snow Leopard 10.6.3 with iATKOS 3 v2 disk as guest OS in VirtualBox 3.2.12 with Debian host. After fixing the video resolution issue, I noticed that there was no sound. However, VirtualBox Forum user OmegaX has written a sound driver for Mac OS X 10.5.x and 10.6.x. It [...]

