The Ready State Virtual Mobility Coach is like having a virtual Kelly Starrett in your pocket.
There are several episodes that hit aspects of the hamstring.
Have you done a search?
Here are some to start with.
Episode 33: FGB Push Press Prep ; Hot Patellar Tendon: Hip /Calf/ Hamstrings
Episode 58: Weird Hamstring Problems and Simple Neurodynmaics
Episode 82: Protect your scrotch or: Medial hamstring fun
Episode 104: Hammer Your High Hammy
Episode 184: Olympian Disco Pain Ball +Hamstrings