Type /mmodel rc/pink; newent mapmodel 99
Paste that into the console and boom, there ya go

To see how I made her say stuff check out her values in my save the princess map and also go into packages/_base_ and open up the savetheprincess.cfg with a text editor. If you need any more help let us know!! Take care.
-mike
PS also you might even consider submitting your map for inclusion into Sandbox
