More to explore:
ruffled slip under "too short" dresses
awesome idea: sew a lacey slip to go under see through dresses or ones that are too short.
extender slip tutorial
extender slip. Sew some lace or ruffles onto slip to put under that skirt/dress I wish was just a little bit longer. Genius!
How to turn a dress into a skirt:
Jeans into skirt
DIY shorts for under skirts...fun!
tutorial for how to make an extender slip (for those dresses & skirts that are just a tad too short)
Extender slip for too-short skirts and dresses