After you have downloaded AtHome Camera from Apple's App Store and installed on your iPhone or iPod Touch, tap on the icon as shown on the right to start the program.

On the first page, you can add or modify a streaming server. For the first time use, you will need to set up your first server:

If you tap on "Set up your streaming server ...", following dialog will slide in. You need fill in the setup information of this new server.
There are two method to connect to the server: connect by server's IP address, and connect by server CID. If you are not a network expert, the easy way is to register your AtHome server on your computer and get a CID for the server, and then select connect by server CID. User name and password can also be obtained from your server side.

To edit existing streaming servers, you can tap on the accessory mark as shown below:

Following dialog will slide in, to allow you edit each field of the server. Or you can delete this server from your iPhone/iPod.