Cam4you - Canon PowerShot freeware camera control for Windows

Makes it easy to transfer pictures from the camera to the computer using serial or USB port. PowerShot Pro90 IS, G1, D30, S20, S10, S100/IXUS, A50, Pro70, A5 Zoom, and A5 cameras are supported.
Cam4you - Canon PowerShot freeware camera control for Windows