Windows 7 Webcam recording software
Loads of apps out there. Here are a few alternatives:
VLC: If you already have VLC media player, it can record from your webcam directly into a video file. See this page for how it's done.
OneNote: Part of Microsoft Office, it records video into the current notebook.
Google's Picasa See this tutorial.
I find the best and quickest program to be Microsoft AMcap.
It works via native DirectX functions and is very lightweight.
It is a free utility available through the DirectX SDK
Microsoft Movie Maker - press the "webcam video" button