This seems to be quite a particular problem. When I load a specific VST (NI Reaktor 5) into LMMS 1.0.0, it displays fine, but given the nature of the plug-in, when I add a module to Reaktor the size of the plug in changes. If I try to resize the window to see the rest of the plug-in, the right side is cut off. Closing the side panel in the plug-in helps a bit, but unfortunately there still is a portion of the plug-in I can't see. I looked around on this forum a bit and couldn't find a solution, so I am sorry if this has already been asked / dealt with in the past. Here is a link to some screenshots showing the problem http://imgur.com/a/Eh0yg