This DOS batch script allows you to select a set of images in Windows Explorer and then right-click and choose SendTo > MakeHTML.bat to create an index.html file which contains links to all the photos. If you have a web site, you can then copy the html file and photos into a new folder on your web space to allow people to see them.
To install, just copy the batch file below to your SendTo folder e.g. C:\Users\
Download batch file here: MakeHTML.bat