"I have one issue with this, being that upon loading the bootloader it's default is highlighted on windows. If I walk away, I want it to go into linux automatically. How do I go about this?"
The first title section in your grub config file is the default operating system. So move your Linux title section to be the first entry. I think that in both Mandrake and Whitebox the grub configuration file is /boot/grub/grub.conf
Here is a grub manual:
http://www.gnu.org/software/grub/manual/grub.html
-------------------------------
Steve Stites