Add-ons for JomSocial

It may have worked once but not anymore. Thumbnails appear after first installing them vanish. And support is absolutely non-existant. I'd gladly pay for it if worked. The same applies for the videos version of this extension too.

I'd buy it if it was $5. But at $15, I can live without it. Particularly since there are no reviews for it. How do I know it will even work?