I downloaded the scratch source code, i click on the icon on my desktop,it gives me four options. license, D.S. store, scratch source code 1.2.1, and scratch source code 1.2.1 . I click on scratch source code 1.2.1 and i left click on the backround, but nothing happens.
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adriangl, setting up the source code of Scratch is - regrettably - neither obvious nor self explantory. I have tried to come up with a very short explanation how to do it in this answer:
http://scratch.mit.edu/forums/viewtopic.php?pid=22087#p22087
hope that helps.
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