Limit layered navigation to X values and show a more/less link.
- Download the files and copy to your Magento installation folder.
- Clear Magento caches.
cd /path/to/magento/
modman init
modman clone https://github.com/eyemagine/Magento-LayeredNavLimit.git
The limit of items to be shown will default to 5. This can be changed in System > Configuration > Catalog > Layered Navigation > More/Less Limit.
This module requires the jQuery javascript library.