[UPDATE 4/3/2015]
There is 4.87 BTC contained within the image shown below via private key. Follow through this thread to help navigate yourself through the start to finish of this elaborate puzzle! There are a lot of cool crypto techniques used during this journey...
How many are a lot? You list?
Many insincere deceptive delusions of creators. That's why it took a long time.
There were many previous steps/puzzles before the painting was even revealed. You noobs just want to find something to whine about and are too lazy to even read the thread from the beginning.