I use Git Extensions under Windows.
At the moment, set v Git Extensions.2.50.02.
Saw the Show menu to Change the markup type of commit Ctrl+Shift+L (View - Change the commit view layout).
Began to press Ctrl+Shift+L, sorting options display the commits that came across one ochent interesting option, where each entry shows the author and his avatar is of the following form:
What avatars I have.