High quality video calls with macs

in order to get high quality video calls on mac you must use skype. You must have the lastest version of skype for macs (2.5.0.85). If you want high quality video calls you must edit a file named config.xml. First navigate to “~/Library/Application Support/Skype/yourskypename/”, find the file and edit it. Look for the config.xml file and look for the video block inside it. Add these two lines into the video block. 640
480
save your work and make a video call and your resolution should be 640×480. Remember that both parties need a fairly good computer and a good internet connection.

https://developer.skype.com/SkypeGarage/SkypeForMacExperimental