[Plugin: Stout Google Calendar] how do i embed the code

Hi , i am new to all of this. I have wordpress and ithemes flex professional. I am trying to add the stout google calender.
I have downloaded the plugin , and it syas it is activated, but what am i supposed to do now. According to stout i have to go to settings and embed the code but there is no settings on my plugins.
DOes it mean that i have to go into the edit settings and copy into the text?

any help would be appreciated or if any one knows of a video tutorial that can help?
jonathan