Except for the following items, which were all used with permission - either explicitly or implied via Creative Commons License.
It's nice to share :)
Woman with Underwood typewriter c. 1918, from Wikipedia and found here, in Intro to Practical PD about Tech for Adult Ed video.
Mini Tech Lesson: Using Educreations on the iPad created by juculley and found here.
Mini Tech Lesson: Using Show Me on the iPad created by Adam Bellow and found here.
Microsoft Clip Art