I decided to make a montage on my grenade launcher use in Call of Duty 4: Modern Warfare (PC) multiplayer. I had to go under two aliases ("solid snake" and "m203") since once players were fed up with my grenade launcher use they would always try to kick me off the server.

The PC CoD4 multiplayer servers I went to were (IP addresses):
87.106.210.231:28960
188.40.45.2:28960

The computers I used:

For Fraps recording and video editing:
Intel Pentium Dual Core E2180 2.0GHz @ 3.006GHz, 1336MHz FSB (Socket 775)
8GB SUPER*TALENT T800UX4GC5 PC6400 DDR2-800 RAM (4x2GB in dual channel @ 802MHz, 2 kits installed)
GIGABYTE GA-P35-S3G motherboard
EVGA NVIDIA e-GeForce 9600GT 512MB DDR3 PCI-E 16x Superclocked video card
1TB WD Caviar Green 10EAVS SATA-II Hard Drive
Antec EarthWatts 80 PLUS 380W Power Supply
Microsoft Windows Vista Home Premium (OEM) SP2 x64
Antec New Solution NSK4480 Mini Tower case

For gaming on multiplayer:
Intel Celeron 2.2GHz processor (Socket 478)
1GB Kingston ValueRAM KVR400X64C3A/1G DDR400 PC3200 RAM (1x1GB)
VIA P4PA-UL motherboard
"Diablotek" ATI Radeon 9600XT 256MB DDR AGP 8X video card
40GB Maxtor PATA Hard Drive
L&C LC-B450 E 450W Power Supply
Microsoft Windows XP Professional SP3 x86
Old beige generic mid-tower ATX case

Software used:
Fraps (for recording)
Pinnacle Studio 12 (for editing)
CoD4: Modern Warfare PC (for gaming)

I recommend you view this video in HQ (high quality) mode for the best viewing experience. (less info)