How to create Videos&add my URL in the video for youtube videos?

I have seen many people making money using youtube.
I want to know how to make videos for marketing through youtube and also I want to know how do I add my URL transparently in the video on the right hand side while it floats from top to bottom so that others dont copy my video and add their URL in my video covering my watermark.
My operating system which I use is Linux and I am familiar with avidemux and how to watermark non transparent image for the full length of the video using avidemux.
Tried making movies using avidemux,but I was not able to find that option.
Help needed on all the strategies and methods you use while making videos to be uploaded on youtube.

Use cyberlink powerdirector and you should be able to do what you want.

bobbylove321 said:

Use cyberlink powerdirector and you should be able to do what you want.

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It is not useful for linux.I need some good video making software which can watermark my URLS in a floating manner covering the whole video section and that should be transparent