Hello
Cool youtube subscribe bbcode widget. 
You can add this in your signature.
How to use?
[*Subscribe=backgroundcolor]YourYoutubeID[/Subscribe]
[subscribe=]360haven[/subscribe]
transparent
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[subscribe=red]360haven[/subscribe]
Red
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[subscribe=white]doomgaurdian[/subscribe]
white
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[subscribe=deepskyblue]ProjectRGX[/subscribe]
deepskyblue
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Edit:
You can now add an image as a background to your youtube subscribe widget.
[*Subscribe=backgroundimageUrl]YourYoutubeID[/Subscribe]
examples
[subscribe=http://i78.photobucket.com/albums/j102/Masanco/YSW1bg-4.jpg]Official360Haven[/subscribe]
image
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[subscribe=http://i78.photobucket.com/albums/j102/Masanco/3H_BG_0.jpg]Official360Haven[/subscribe]
image
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[subscribe=http://img830.imageshack.us/img830/4124/199992.jpg]Official360Haven[/subscribe]
image
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[subscribe=http://www.el33tonline.com/images/cache/21662.jpg]Official360Haven[/subscribe]
image