I found a workaround to creating drop down navigation in SharePoint Foundation 2010. As far as I can tell, this is not an available feature in the free version (I believe you have to enable publishing for this option to appear). The work around worked, but, now the parent page (home page) does not appear in the navigation bar. It appears to be hiding the parent and displaying the children. I can't find anywhere to allow the parent to display. The code I used for the workaround is as follows:
I created a new data connection and gave it the default name of SiteMapDataSource1.
<asp:SiteMapDataSource runat="server" ID="SiteMapDataSource1"/>
<SharePoint:DelegateControl runat="server" ControlId="TopNavigationDataSource" Id="topNavigationDelegate">
There is a class being called named .ms-hidden. It seems to be the culprit. Instead of Home on the menu bar it is placing the text "currently selected" (if I put in a lot of dirty code to make it show up at all).
Any help would be greatly appreciated. Thanks.