List/links to YouTube channels, where you can find most of (fresh) video's relative AssettoDrive cars (with support):

 

Unknown Siseneg

Pole Position

Mikey ("magic" cinematic vids)

Rusty Russell

Kajot2111 (very few vids (Carrera GT; 959), but as well a lot of various with a good mood and driving style)

Assetto Corsa Fanboy

The Extra Mile (Very few. One good with Porsche 901, with Shelby Daytona coupe and one in Saleen S7)

RigRacer

VirtuaSportsCars (very mixed content, where some of presented cars can be leaked/outdated versions from Assettodrive releases. Videos with placed link to the site - is supported with updates)

"Home" (far not regular)