If you have problem of keeping track of your video collection. I can recommend VideoDB. It is web based and you enter the name of the movie you want add and VideoDB connects to IMDB and suggest which movie you meant.
When you have picked the correct movie it automatically adds thumbnail, plot and the main actors in the movie downloaded from IMDB.
Screen shot:
To be able to install VideoDB you need:
- Webserver i.e. apache
- MySQL Database backend
- Php
Read more at http://www.videodb.net/