Here's just a collection of Yuffie Pictures that I have obtained while searching the net, Enjoy:

Here's a picture of Yuffie looking groovy.

Here's Yuffie looking groovy (Again).

And another groovy picture.

It's strange, she looks groovy here too.

Yuffie looking pretty groovy.

Yuffie about to attack in a groovy way.

Yuffie doing groovy origami in Meriko's pic.