Preview pictures and videos from Flickr, Picasa, Youtube from within Gmail

Gmail today introduce an enhancement how its handle videos and photos from Picasa, Flickr and Youtube. The new lab feature, will enable photos sent from Picasa and Flickr as well as video from Youtube to be shown within the email itself, without leaving Gmail in order to view it.
In order to enjoy this feature, yYou have to enable it from setting -> lab and enable the setup one by one.

This is how Flickr photos sent to my Gmail looks like.

Same goes to Youtube, but it works even better. You can play the video directly from within that email. So do you think this cool?
Yeah, and time saver too.
