Here is a great list of other sites that focus on, or have articles on, creating meditation spaces for your self or classes. ENJ.OY!
Art of Living: How to Create Your Own Meditation Space
Fresh Home: 10 Ways to Create Your Own Meditation Room
Yoga Journal: 5 Steps to Create a Perfect Home Meditation Space
Mind Body Green: 6 Tips to Creating a Meditation Space
Left Brain Buddha: Create a Meditation Space in Your Home