The plugin for Joost Action Streams has been updated to include favourites. If you've previously installed this plugin I recommend deleting Joost from "Other Profiles" and all the Joost activity and re-adding it to your "Other Profiles".
If you've turned in to a Joost junkie like I have, you may find this useful. I came across a handy script today on Libby's site for showing the latest watched videos on Joost and have included it in the sidebar on my Activity Stream. It didn't show the thumbnail for the video, however the possibility was included in the code, so after some editing, I was able to get it to show up.
Create a new template module and call it "Last Watched on Joost".
Paste the following code:
You'll need to change Toni_H to your own user name and "Toni just watched" to yourself. Otherwise you'll be getting my feed. Save the template. You could add this code directly into the sidebar template where you want it to appear, or create a widget template instead of a template module (which is what I did). Add this line of code to your sidebar for the template module you created.
<mt:Include module="Last Watched on Joost">
Or in the case of a widget, change module= to widget=.
Publish your blog.