I moved your thread. You posted in the BearShare program section. This is the Gnutella forums not the LimeWire forums. There's a specific LW section & it's found here: Limewire Forum sections

See points about video importing at the lower part of page one here How to transfer music to my iPod (& iTunes)

For windows, the video must be a particular format & size. However the size can sometimes be worked around. Mpeg4 or H.264 I think it is. Make sure yours in mpeg 4 & not mpeg 2 or mpeg 1.