These fanfics are, in my opinion, some of the best about the filly Scootaloo. They are both pretty sad, but great stories. I always wanted to be like you has taken my #1 spot as the best fanfic, beating out my little dashie by a hair.
www.fimfiction.net/story/1449/I-couldn%27t-wake-you%2C-because-you-can-never-wake-up-again... (A bitter sweet ending)
www.fimfiction.net/story/3920/I-Always-Wanted-to-be-Like-You (Has 2 endings, however I wouldn't recommend reading the sad ending unless you're in the mood to cry)