In Edit or Write post mode:
1. Uploading the file
Find out the width and height in pixels of your quicktime movie.
Upload the file onto the server: select the .mov file from your hard disk
Press the “Upload File” button and wait patiently…
(the amount of time you have to wait is proportional to the size of the file.)
Don’t creat a thumbnail.
When the upload completes, copy the url returned at the end (for example: http://blogaddress.com/uploads/example.mov)
* Remember that the maximum size to upload within WordPress is 8MB.
(If you want to upload a bigger file you will need to ask the webmaster to ftp it to the site were the blog is hosted and tell you the address to link to.)
2. Editing the page
In HTML or CODE view
Put your cursor where you want to place the movie.
paste this fragment of html code where you want the movie to appear
<embed xsrc="movie.mov" width="320" height="240" autoplay="false">
replace movie.mov with the url you got from the upload page and the width and height values with the width and height of your movie.
(if you make loop=”true” instead of false, the movie will loop forever)
now save your page and your movie should appear. In order to start the playback you’ll have to click on the movie.
If the loader refuses to load your movie, saying it is not a supported file type, you may need the PJW mime type plugin which allows the administrator to allow different file types. http://blog.ftwr.co.uk/wordpress/mime-config/
(from Yaniv Steiner’s instructions)