When multiple (Ajax-enabled) LiftScreen snippets are added to a single page, they share the *Vars created in LiftScreen. This effectively means that only the first LiftScreen snippet works (and then only kind of).

Thread here http://groups.google.com/group/liftweb/browse_thread/thread/5b3ba8ac388b4411

Patch (which is working fine for me) here https://github.com/pbrant/framework/commit/1d7e56718d397e643be689ee55692e10effb23e7