I have found an easy-to-use tool for downloading videos from YouTube and Google Video.
Though its homepage mostly written in language other than English, there are still some simple explanation in English available. You should be able to find the download link of the VDownloader easily.
The rest of the article contains the download links.

When you are like me have to do a lot of mail merge to create documents. You may find that you will get US format date merged to the documents even your date format of your system or in Excel file is set to UK format. Here’s the solution I have found on the web [...]

Added a big bunch of new functions:

24-hour/AM PM mode
An option to show today’s date
Procrastination Hack - (10 + 2) * 5
Customizable Timer alarm
Font Face/Font Size/Font Colour/Bold/Italics Selection
Changing Alignment (Left/Right/Centre)

Download OSD Clock 2.0.1