Twitter's showing off an updated version of its Mac app today, featuring a number of key fixes, including improvements to photo sharing and a slew of new languages. On the image side of things, you can now share a photo by clicking on the camera icon in the tweet composing module, or just do it the old fashioned way by dragging pictures from your desktop. Also new in this version is support for Macs with retina displays and a total of 14 new la
