In addition to being able to follow your Twitter timeline, post text based tweets, see notifications of mentions, and reply/retweet other tweets, Windows Phone Mango also supports sharing photos on Twitter. It does not use any of those third party Twitter picture sharing services though. It uses SkyDrive. That’s right, when you hit the “Share” button in your pictures library and choose the “Twitter” option, you’ll get an interface similar to what you get when sharing photos on Facebook and Windows Live, but the caption you type becomes your tweet along with a URL to the photo which is uploaded to a “Twitter uploads” publicly accessible folder on your Windows Live Skydrive. The pictures viewing interface on SkyDrive is pretty nice, too!