A great collection of patented inventions that indeed are inventions - and often useful too - but are a lot funnier than you expect a serieous patent to be.

Welcome to cre.ations.net. Here you can publish anything you've created and show it off to the world! Whether it's art, technology, software, or even just a clever way to turn off the lights from your bed, your creation has a place here. You can also browse creations by other people and vote for your favorites. Every week we select the top creations to join the Hall of fame in permanent glory!
http://cre.ations.net/

The funniest thing is that they appears to have worked incredibly well.
I mean, selling pixels for $1 - for example - is indeed a creative idea. The only reason we are not starting such a page here - is that we want to be first with the idea. So, we'll get back when we have found a better twist of any of the ideas. And still. Remember that the ideas had help from a lot of hard work and/or luck in order to succed.
http://weirdtechnewshub.blogspot.com/2006/07/top-10-dumbest-online-busin...

Lite inspiration när det gäller att tänka både stort och konkret.
http://www.storalgen.se/
http://www.storalgen.se/galleri/1.jpg

The World's Largest Moose.
See it as some inspiration to think BIG.
http://www.storalgen.se/eng/index.php

The global:ideas:bank accepts submission of ideas and store them in a bank that can be searched.

Inspiration
Interesting.org har krönikor om idéer och kreativitet regelbundet. De skriver också idéböcker och föreläser om kreativitet.