How to use Parental Controls: Other options
To finish up, here's three handy, simple Parental Controls options you should consider. They're all under the Other tab.
Restrict explicit language in Dictionary is activated by default.
Prevent the Dock from being modified is useful primarily for its ability to prevent meddling: we all know how easy it is to accidentally pull an app off the dock without realising it. Changing the dock on one account doesn't affect the dock in others, of course, but it's annoying trying to find an app that previously sat in the dock when showing your child how to do something in their account.
Also consider Use Simple Finder, which makes Mac OS X a lot easier to use for young children.
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