right, I was with smw 1.8 and it was working (as long as the content of the calendar was not too high)
now with smw 2.0 I ve got the same issue that you have : the calendar stays the same height, though the content below thinks its only 200px and thus ends up on top of the calendar.
Also asked here now:https://github.com/SemanticMediaWiki/SemanticResultFormats/issues/79
