Sometimes you have to do something provocative in order to be heard. I think Vanessa Tiegs has a very great way to express that there is noting taboo about menstruation, a subject not often talk about in Malaysia, where adults still feel awkward buying pads off shelf.
See paintings that she has created with her menstrual blood posted on Vanessa's Livejournal
For the brave at heart, at mum.org you can submit your own menstrual art.
If that is too way out for you, here is another way to do your bit for the environment.
Make your own Cloth Pads as taught by:
Tiny Birds Organics