Here is the avatar that I created using PickaFace.
Use Pickaface to create your avatar. You do not need to create an account. Once your Avatar is created, you can right click on it to save it to your computer or you can email it to yourself.
Below is a video that shows step by step how I created this avatar.
Source: http://pickaface.net/ Avatar created by Susan Ross
Source: Video Created by Professor Ross using Jing
Log in to Edmodo and add your avatar to your profile. Then look for the Avatar assignment in Edmodo. Write me a note to let me know that you successfully added your avatar to your profile.