Creating SharePoint 2010 external lists

Walkthrough of creating a SharePoint 2010 external list using Visual Studio 2010
http://blogs.msdn.com/b/vssharepointtoolsblog/archive/2010/04/27/walkthrough-of-creating-a-sharepoint-2010-external-list-using-visual-studio-2010.aspx

How To: Step by Step Creation of External List in SharePoint 2010
http://www.mstechblogs.com/sharepoint/en/how-to-step-by-step-creation-of-external-list-in-sharepoint-2010/

SharePoint 2010 External Lists
http://blogs.pointbridge.com/Blogs/monnette_jeff/Pages/Post.aspx?_ID=23

SharePoint 2010 – External Lists
https://www.nothingbutsharepoint.com/sites/eusp/Pages/sharepoint-2010-external-lists.aspx