I appreciate the facility to set the start and stop times are programmable already. I have started using Yawcam to FTP outdoor webcam images to my web site but I have to manually start the program after sunrise and manually stop it when it gets dark again. Obviously, these times are different every day. Sometimes, if I'm away as it gets dark I stream pictures of darkness, just black on black!
May I suggest an option to enter the camera latitude and longitude so the program can calculate the time of sunrise and sunset and start/stop accordingly. Even nicer would be an option to add offsets so it starts and stops a set number of minutes before or after sunrise and sunset.
The calculation is complicated but the algorithm is posted in many places on the Internet. The time in GMT is also needed so the locale time zone has to be added to the system time.
Webcam is at http://www.dyfi.com/Dyficam.html