Microsoft continues to tweak its Windows Phone App Studio web-based development environment for building simple Windows Phone apps. The latest revamp sports an enhanced Navigation Bar and also allows you to connect directly to Skydrive.
The app also has an enhanced collection of predefined visual elements, while behind the scenes the code is produces is apparently cleaner. The webapp has been evolving rapidly since its original release, adding Flickr support last month. Check the announcement post for more details.
Show us your apps & new release: Windows Phone App Studio Beta [Windows Phone Developer Blog]