Visit http://scratch.mit.edu/projects/31557332/remixes/ to see CS First projects that began with this starter project. Hit the green arrow to begin. To change the filters, hit the filter buttons. To reset hit reset, or the green flag. To change the category, hit the category then select one. To change the image in a category, for the nature category, hit the right arrow. For the people category, hit the left arrow. And for the things category, hit the up arrow.
Thanks CS First!