Yelling At Cats - I'll Take You - https://www.youtube.com/watch?v=HQfkbKrcLoA
Interrobang Pie Invades Equestria (Icky Remix) - https://www.youtube.com/watch?v=MO_qDUNsICM
Aviators - The Real Me - https://www.youtube.com/watch?v=fGw1p-gRpuQ
TeiThePony - Flying With The Rainbow: https://www.youtube.com/watch?v=s7YB8yy9XAg
Omnipony - Poni Robots: https://www.youtube.com/watch?v=mzZk7d2EAno

The bad one at the end:
The Fluttershy Ponystep Remix - M00s3 - https://www.youtube.com/watch?v=Tdt_1lZDjbY

arts and stuff
http://www.equestriadaily.com/2012/03/drawfriend-stuff-366_19.html