Andrew created a new screencast on DabbleDB showing how to create an application from imported digg.com data. If you want you can help digging.
DabbleDB is also mentioned on the Dan & David Show as being used by Ismael Ghalimi, the co-founder and CEO of Intalio.
For those who dont know: DabbleDB is a new web application written Smalltalk using Squeak and the seaside web framework (both open source). It's focus is on easy application development based on structured data.