5 Easy Steps to setting up Remote Desktop capabilities on your iPhone
Step 1:
First off hit up the App store for MochaSoft's VNC Client- Best Part is it's Free
Step 2:
Head over to Sourceforge and pick up osxvnc
get it here also free
Step 3:
Launch osxvnc on your Mac, this will provide both your external and internal IP addresses. (Remember to forward your ports if you wish to use this from outside your network) You can set the software up to require a VNC Password.
Step 4:
Enter you IP address, Password and adjust the other options to your needs. Check the osx server option. Click Connect!
Step 5:
Enjoy! You can pinch to zoom in and out click the Keyboard button to bring up the keyboard etc.