If you are doing your own web pages, you can easily put Chime structures on them. See the terrific examples linked to the Tutorial Page. You reference a .pdb file, and can specify the display type, window size, whether it is rotating, etc. Look at the code on some of the other Chime pages, too. See the MDL Tutorials page for links with more detailed directions.
Advanced users can add scripting to make complete tutorials.
You need some .pdb files. You can make your own with HyperChem or something, but you can also simply download some from a data base or another page. See several sources on the Tutorial Page. I found that the files I downloaded work great on my page with Chime, but Rasmol won't open them except in the command line interface. As long as you stick to Chime, no problemo.