US$5.99 Waterproof Car Storage Box Hanging Organizer Moving Box Oxford Card Holder Storage Container
55 Genius Storage Inventions That Will Simplify Your Life -- A ton of awesome organization ideas for the home (car too!). A lot of these are really clever storage solutions for small spaces.
Window Mounted Solar Charger <<< äußerst praktisch... So schnell wie möglich anschaffen
This mini vehicle storage net is pretty cool. It keeps small items in place and can be mounted in a discrete location in your car.