You can have more than one image. Check out any interest check or GB post... such as the Antex M12. People will tell you that you need an expensive temp controlled iron, and while they are desirable, something like this will be fine, as it CAN'T get hot enough to cause any damage unless you leave it on the part you are trying to solder for too long.

Practice: Get some old, broken circuit boards from radios, old computers... anything... total scrap... Then practice soldering, and de-soldering on these BEFORE you attempt to solder your keyboard.

You may also want to get a de soldering pump of some kind, in case you need to remove and re-solder the switcheshes. The