The following are links from the Microsoft Dynamics CRM 3.0 site, which contain tutorials and elements useful for integrating Microsoft CRM data/functionality into SharePoint. Have fun!
* The List Web Part for Microsoft Dynamics CRM 3.0 (Installed on any SharePoint Web Part Page)
* Create a Microsoft Dynamics CRM 3.0 dashboard with SharePoint Portal Server
* Displaying Microsoft CRM Business Data in SharePoint Web Parts
* Display a SharePoint document library in a Microsoft Dynamics CRM 3.0 form