Eddie Smithson, a Machinimaker in Machinima.com's Directors program has produced several noteworthy videos using Garry's mod and the Source engine. Most notably would be his three part series, Vae Victis.
Vae Victis is set in the aftermath of the events of Half Life 2, with Barney Calhoun leading the surviving Metro cop units against a growing threat that was mistakenly left unchecked during the war with the combine...
Check out
Part II and
Part III if you liked Part I.[...]
