This isn't a nautilus script, just a script, but there's not option for that :P
I don't like Mint 10's default gtk scrollbar having both buttons on the bottom, so I changed the gtkrc to revert it, and wrote a script for people to use to fix their system, too.
Open "mint-theme-fixer.sh" and select "Run in Terminal".
This script copies an alternate gtkrc file for the Mint-X-Metal theme to any of 3 places:
1: Replace the default system theme. (/usr/share/themes/Mint-X-Metal/)
2: Make a new system theme. (/usr/share/themes/Mint-X-Metal-Fixed/)
3: Make a new local theme. (/home/$USER/.themes/Mint-X-Metal-Fixed/)
Padster/theRealPadster December 28, 2010