The scotch gambit and opening resources

https://youtu.be/jgjnuHeTVsM Scotch gambit explained by thechesswebsite https://youtu.be/Y-c3WDEIQvw the scotch opening explained by Jonathan St Louis club.

https://youtu.be/fnQejEK8pT8 the best variation against the scotch, check it out. Make sure to read Starting out: The scotch game by Emm

Hope this helps