I had the class images in my dropbox with a link to the folder. Students just followed the steps below and clicked on my links to go where they needed. What was really easy was the link for my email address which you can find as a choice for a link in Weebly. That link auto-filled my email address so all the students had to do was add the photo and their names in the subject line.
1. Find your picture here.
2. Save it to your camera roll
3. Click on this link to put it on the dollar bill.
4. Save it to the camera roll.
5. Send me your dollar bill image here.