Most of the object or images sometimes just turn black when playing.. i had to restart bb2.0 to make it normal again.. The background should be blue (using decoration object), also objects turns black
I'm thinking no one knows what's happening, thus, no response... I would send your bbdoc to support@buildbox.com with an explanation of how to reproduce and go from there....
That plug in that you downloaded.. Try re-downloading it? This doesn't look like a BB problem in my opinion..