Here's 3 two-minute screencasts that demonstrate building a local search mashup step by step in real-time. Best viewed in full-screen.
Performing a local search using the Yahoo local search api and displaying the results using a XUL tree widget. Using patcher to encapsulate patch code.
Adding a call to the Yahoo geocoding API and a Google map to display the location of the search.
Adding markers to the map for each item in the list.
