how to show support to ubuntu

[kanha]

hi all,
I have started a political and social blog on wordpress
http://themotherland.wordpress.com

I want to put some tag or some banner on the blog which can show support to ubuntu
may be some link or windows installer :guitar:

Please tell some site where i can find such link like firefox have some links to put on personal websites

[aysiu]

This may help:
https://wiki.ubuntu.com/Artwork/Official

[johnwlittle]

Feel free to link to Ubuntu Video (http://www.ubuntuvideo.com/). Buttons are available (http://www.ubuntuvideo.com/ubuntu_video_buttons).