I love google:
A lungi is what I guess I knew to be a tehmat (my Nana used to wear it in Pakistan). Here is a step-by-step guide on how to wear a lungi:
http://www.lungi425.com/how2wear.htm
And here’s the how-to on wearing a dhoti:
And look what else I found - a floral dhoti (to add to the red, turquoise and gold lame ones I had already posted: