To be fair, perhaps both of those companies used purchased themes or artwork from something like themeforest as a starting point.

But this definitely looks bad, particularly in light of the 37signals dustup.

EDIT: Looks that way for the rocket ship at least: http://www.bigstockphoto.com/image-5418738/stock-vector-retr...

Hey -- yeah, I'm one of the co-founders of LaunchBit, and it's true that on a startup budget, we bought the image from iStockphoto.

You should be aware that the iStockPhoto (and BigStockPhoto) license specifically excludes using their content in logos.