Places of Worship ~ Resizing Photographs
There are many different software programs available for manipulating photographs from simple resizing to adding different effects.
The commercial ones can be expensive, but there are several free ones.
A selection of these can be found here: Free Graphics Editors
This Step-by-Step Guide deals with the FastStone Image Viewer which is a free download from FastStone Image Viewer.
A detailed tutorial is also available to download from FastStone Image Viewer Tutorial.
Resizing an image
Cropping an image