I want to burn a *.img file of Wheezy OS to my 8GB SD Card from a Mac but can't figure out how.
Any help would be appreciated. :)
There is a faq/howto available that discusses all the various OS-es. For the Mac it is (nearly) the same as under the various other types of Unix versions. The use of dd.
In short you type:
N.B: the of=/rdev/diskn needs to be the SD card, if you do this wrong you might end up destroying your Mac system!!!! Be careful!
Be sure to use
For a total step by step guide through this process please consult this explanation. There are 3 chapters for the Mac in this document.
The most easy way is described on the first chapter on Mac (Copying an image to the SD card in Mac OS X (Only with graphical interface)), it involves an application that does everything for you, to be complete I copy the link to this application here
Try this: ApplePi-Baker
It's free, writes IMG files to SD-Card, can prepare a NOOBS card and can make a backup to IMG of your SD-Card.
This app may be helpfull for you: http://alltheware.wordpress.com/2012/12/11/easiest-way-sd-card-setup/