If you are looking for a simple to use, inexpensive image editing solution, I recommend you consider Pixlr.com. Pixlr will provide you with all of the tools you will need for editing your photos at a cost that can’t be beat, FREE…
Here is a quick tutorial that will demonstrate how to use their online editor to crop and re-size an image to a particular size and dimensions suitable to be a banner on this site. If you would like to follow along with me please click on the image to the right and download it to your computer, I’m putting mine in a folder called Tutorial on my A drive but you can put it anywhere you like.
Next, navigate to pixlr.com web site here and follow my simple step by step instructions below. Please note: you are under no obligation to use my particular image or dimensions etc. these are provided simple to illustrate the procedure required what you crop and how you size it is ultimately up to you. With one important caveat, DO NOT RE-SIZE IMAGES UP. You can always scale an image down but scaling an image larger than it actually is will only make it look worse.