If you embed Prezi into PowerPoint using any SlideDynamic addin, and then send this to another computer and would like that user to playthe PowerPoint with the Prezi embedded you need to follow these steps:

The Adobe Flash player needs to have its settings changed in order to play Flash files (which Prezi is) with external resources

You can follow the instructions in this thread;

www.slidedynamic.com/support/forum/Prezi...nection-prezi-in-ppt

all is you can download the attached macro enabled PowerPoint and simply click the button which automatically adjusts your Adobe Flash player for you.

Doesn't seem to work... was there an attachment?

If you are transferring a PowerPoint with prezi embed in a slide to another end users PC, this needs to have the flash security settings adjusted, The safest way to do this is to simply install the slidedynamic add-in (lite version) and then you can uninstall it.
If you have the SlideDynamic commercial version and wish to use this on a nother PC you can install another instance on a seperate computer under the terms of the license agreeement

Thanks, will give it a go.

We have a winner! Although the results were a little strange...

Installed 'Lite' on PC No2 - the Prezi didn't show, but worked fine on original PC(1).
Having Lite did allow me to bring the Prezi in again on a second slide, on PC2.
Closed it.
PC1 now shows the Prezi on both slides...
... as does PC2!
Uninstalling keeps it working fine so... success! Thanks.