The startup configuration options get saved to /tmp/options.dat for local mode and /tmp/soptions.dat for server mode. You can change the location, by editing pinball/JavaQcam.java.
Camera Driver explains how the QuickCam is initialized and the parameters used for the camera. Here is a copy of the qcam.conf file that we have used for this project. When installed, it goes to /usr/local/etc/ .
ADR2200 data acquisition device via the serial port.
JavaDoc guide for the packages.