Lyras wrote this series of ficlets for me. I loved them. They are mostly Neville centric, but in all of them he's interacting with his parents in some way. I love the last, especially. I like to see Neville giving his post attack parents some happiness. These are very well written and show real sensitivity to the characters. Her fic journal is called squishedstories.
community.livejournal.com/squishedstories/22736.html