This is a four part development series which demonstrates how to create Yahoo Maps in Flex and develop advanced interfaces using video, audio, images, text and links. Both Youtube videos and complete code is given.
Full Project Flex 3 Download available under downloads
YouTube Tutorial on Yahoo Map Part 1
YouTube Tutorial on Yahoo Map Part 2: XML
YouTube Tutorial on Yahoo Map Part 2: HTTPService
YouTube Tutorial on Yahoo Map Part 2: Setting Markers
YouTube Tutorial on Creating a Custom Class in Flex 3
Yahoo Maps Part 3 (1 of 4): Grabbing the Custom Marker Class