SharePoint Designer Videos

Here are some very good videos on SharePoint Designer. SharePoint Designer has replaced the Front Page and can be used to do intermediate level of customization. For advanced level of customization we need the help of VS.
Intro to SharePoint Designer:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=0&CTT=11&Origin=HA102199841033
Customize SharePoint Sites:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=1&CTT=11&Origin=HA102199841033
Create and Modify Layout Pages:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=2&CTT=11&Origin=HA102199841033
Create and Modify rules based workflow applications:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=3&CTT=11&Origin=HA102199841033
Build Composite no-code SharePoint Application:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=4&CTT=11&Origin=HA102199841033
Visual Studio Integration:
http://office.microsoft.com/home/video.aspx?assetid=HX102200491033&width=0&height=0&startindex=5&CTT=11&Origin=HA102199841033

Display data from multiple sources in a single Data View

http://office.microsoft.com/home/video.aspx?assetid=ES103517031033&width=884&height=540&startindex=0&CTT=11&Origin=HA103511401033

You may also interested to see Developer Screen Casts

Attempt a Question on SharePoint Designer