Add up to 5 different radar sites of your choice. Update time can be set from 1 minute to 60 minutes. You can change the window size using preset sizes or use a custom sizing option.
Great tool but one problem. I just want two radar images of my choice so I removed the last three URLs and changed the first two. Worked great until reboot. Then the URLs I removed from the last three reappear. A bit annoying but good job.