>> .. taskbar-style way to switch windows http://brawersoftware.com/products/ubar

Apart from that, even on 10.6, you can do the update of Bash yourself, you're not required to use the Apple patch: https://github.com/ido/macosx-bash-92-shellshock-patched

This has been compiled on Mavericks, it may run on 10.6. If not, you may need to install Xcode