Of course, I do things differently.
I use Irfanview which is a fast and lightweight program. With it, you can view, convert, optimize, scan & print, create slideshows, batch processing, play movies and sounds and more!
What's "batch processing" you ask? Let's say you have a folder full of images. You choose the entire folder to do something like resize them or convert them all from .jpg to .png. You can even easily select the .jpg's and only process them by using "*.jpg" in the settings, for instance. You can even choose maybe to resize all of the images to a certain height or width only.
There are so many things you can do with this you'll wonder what you've ever done without it! Let's not forget the plugins you can add to do even more things!
http://www.irfanview.com