Instructions
Ensure your iMac and PS3 are connected to the same network.
Visit the Nullriver website and download the appropriate version of MediaLink to your iMac. If you use OS X version 10.5 or later, download the newest version of MediaLink. If you use OS X version 10.4, download the file labeled ̶0;old version.̶1;
Extract the MediaLink Zip file. Open the MediaLink.prefPane file to install it onto your iMac.
Open ̶0;System Preferences̶1; and click on the ̶0;MediaLink̶1; icon.
Select the folders you wish to share with your PS3 and click the ̶0;Start̶1; button to begin sharing.
Highlight the type of file you wish to transfer in your PS3̵7;s menu. Select the ̶0;Nullriver MediaLink̶1; icon.
Locate the file you wish to transfer. Press the ̶0;Triangle̶1; button and select ̶0;Copy.̶1; The file will transfer to your PS3.