MoodleFN

activities except those that are not marked. This will help de-clutter the view of what needs responses. 
A tweak that I would like to suggest is expanding the teacher feedback window at least to the size of the student submission window. (It would be great to have three or more extra lines for both windows.) 

In my English Language Arts/Native Studies courses, I find myself posting longer responses to students. The smaller teacher feedback window is a bit restrictive for me. I find myself using the scroll arrows on a regular basis to review my responses to students.
I often use both the student submission window to proof read writing, offer suggestions in context of the writing and the teacher response area to provided general feedback.