Today Skype for MAC updated to 5.3 with some major improvement for its users. Last time Skype was updated to work with iPad. This time Skype got updated for MAC to do video calling on MAC OS X Lion. Skype is still compatible with Leopard and Snow Leopard.
You can download Skype for MAC from here. You will find some subtle interface improvements and a boost in stability according to Skype Blog .
