Notes on setting 1680×1050 resolution on a Snow Leopard inside a VirtualBox

Recently, new versions of VirtualBox have make it easy to install a MacOsX Snow Leopard guest operating system. There are good references on this process in Tek411 and LifeHacker. These references, explain how to increase screen resolution after installation. These instructions work for default modes exposed by VirtualBox. But, if you want something different, an [...]