On your Mac, you can make an ftp server and load it with software to receive images from the camera ftp client.
I use MAMP which is very user friendly to make the server.
There are several viewing programs available on the web,
such as
phpshow at http://panmental.de by Johannes Knabe
"Single File PHP Gallery" http://sye.dk/sfpg/ By Kenny Svalgaard
I use modifications of both