You can now embed Vimeo videos in posts.
The post editor has a new button above the posting area on the right. Click on vimeo and a couple of vimeo tags appear. Just put the video number between, check its working using preview and bob's your uncle:
Its limited to 16:9 format and is inconsistent with the YouTube format (full URL) 'cos my coding is bad. YouTube info is here:
http://sydenham.org.uk/forum/viewtopic.php?f=9&t=6110
If you have problems just PM me with the details and I'll embed it for you.
Admin