I did a conversion script for moving Adverageous Forums ActiveForums last year. Here is some Transact SQL from the begining of that which should have everything you need to create tabs, add permissions, and add modules:

How to match href links that do not start with http.

I believe there is some confusion about what a DNN Skin is.

Ever wanted to include some cool Javascript with your skin?

Here is an easy way for skin designers to replace the default behaviour of the USER SkinObject without having to modify the core SkinObject.

Here is a quick and dirty way to add a link to a specifc Tab (page) by name directly into a skin.

Using the Active Tab Name in a skin to dynamically apply a background image.

Ever see this error in DotNetNuke?

Using the SiteUrls.config file to rewrite the Url is one way to make the child portal url look a little more presentable.

For those that are trying to figure out what the PortalAlias is all about. Here's a little 101, and to add to the fun I have also come up with a way to "hide" it from most people. So for those of you that are tired of trying to figure out why your portal is redirecting to localhost, or worse getting caught in an endless redirection loop, read on.