well if your using asp pages you should beable to load in frame, but because vb has all the info in the templates there is more linking involved.. I will look into it now for you, but im sure one of these guys or gals will know..
Was there anything about it in the readme?
--------------- Added [DATE]1205122855[/DATE] at [TIME]1205122855[/TIME] ---------------
As far as I can see you need to edit the Custom Template
Code:
adv_portal_Tab_Block_Main
and add the URLs you wish to display..
I read also that the external content needs to be on the same domain, but im sure it can be edited to open a full external url..