1. Find a locations where you will get good subjects to creat a great silhoutte for your shots
2. Always be on the look out for beautiful clouds formations at the place where the sun is going to go down. If you happen to notice that, then head to the location you have found earlier.
2. The best time is to wait till the sun is below the horizon and the rays bathing the clouds from below. This will result in the "fire" looking clouds.
here's my take ... first time posting in this forum & also first time taking shots of sunset. this was taken when I was in Dubai in Feb 2003 ... comments are welcome ...