This software reads a plaintext file containing URLs, one per line, e.g.
http://mywebserver.com/images/271947.jpg
http://mywebserver.com/images/24174.jpg
http://somewebsrv.com/img/992147.jpg
and downloads all the images from the urls.
Note: The textfile should be placed in the same directory as the script. The images are downloaded in the same directory as the script.