need help nexusphp source for mptp 0.1.2

[vulongvy]

I want to add Youtube_link
IMDB does not represent an image
attachments
Thank you!

http://nl8.upanh.com/b4.s27.d1/67f76...ror1.700x0.jpg

http://nl2.upanh.com/b6.s13.d5/99cea...ror0.700x0.jpg

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and I want to ask:
how to insert BBcode [youtube] Link [/ youtube] to upload the editor?
- as in the image:
http://data.sinhvienit.net/2012/T04/...sddsdssdsd.jpg
thank you much!