Please choose from the tutorials on the right. If you're completely new to Level design, try checking out the beginner guides first in the top section. Once you feel comfortable with those, move on to the next tutorials which deal with specific aspects of design.
Most of the tutorials have very basic example maps available for download too if you need them.

If you're already familiar with level design take a look at the special effects tutorials by clicking on the link and hopefully you'll find something there that's usefull to you.
These also have example maps too.

If you find that there are things in my tutorials that don't make sense to you, you can always drop me an e-mail and ask.

Or, if there is a specific tutorial you'd like to see, I'll try and find out how it's done and then post it here when I get the chance.

You can also download all the tutorials together with their associated files here.

Thanks !