Today I worked on lesson 13 of the lynda.com Adobe Illustrator CC 2015 training videos. A lot of lesson 13 was just watching and listening, not much change happened in each video.
When switching from photoshop to illustrator you have to switch some of the things you do such as using a clipping mask. To use a clipping mask I first created a circle using the shape tool and moved it over the face of the image and then I went to the object menu and down to clipping mask and make.
I can work with any shape of your choosing.
I also learned the trace panel. It helps transform the edits of the image, you go to the image trace panel. I then selected the high color preset which changed the color count to 85. I then changed the paths to 12%, the corners 15%, and noise to 1.