Microsoft has relased several online tutorials related to application development for Windows Mobile 5.0 and Windows CE 5.0 in C# and C++ languages. Most of the current available videos are targeted at beginners, with several introductions to tools usage and configuration:

  Application Development Options for Microsoft Windows CE 5.0
  Configuring Visual Studio .NET 2003 to Deploy Applications to Microsoft Windows CE 5.0
  Creating a Windows Mobile-based Pocket PC / Smarpthone
  Introduction to Debugging Using Microsoft Visual Studio 2005
  Introduction to Windows Mobile-based Smartphone Development Using C++ and Microsoft Visual Studio
  Upgrading eMbedded Visual C++ Applications to Microsoft Visual Studio 2005
  Writing Native Applications for Microsoft Windows CE 5.0
  Creating a Managed Bluetooth Application Using Microsoft Visual Studio 2005
  Building XML Web Services for Microsoft Windows CE 5.0

Find the complete list of videos and details on MSDN