I found this lotus flower on Flickr. And here is the instruction video.
And here is an instruction of how to make a lotus flower with A4 paper.
And check out these flickr sets from these very creative people. I was totally amazed how beautiful they are. This first set is from amandakay82.
Sherry has a set called Paper Fun. It has lots of great creations, but I cannot download it for whatever reason.
This one is from joostlangeveld's set Origami Flowers.
This is from beatbigearth's set All Paperwork.
And this last one is from Quadradinhos de Papel's ORIGAMI.
Olympic Medal Count Update: