diff -r 27297c421bbc -r 9777d802be1a QTfrontend/ui/widget/bgwidget.cpp
--- a/QTfrontend/ui/widget/bgwidget.cpp	Sun Oct 30 17:31:53 2011 +0100
+++ b/QTfrontend/ui/widget/bgwidget.cpp	Sun Oct 30 17:56:19 2011 +0100
@@ -58,7 +58,7 @@
     }
     else
     {
-        fY = (-iSpriteWidth - fX) * (fYMov / fXMov);
+        fY = qrand() % wParent->height();
         fX = -iSpriteWidth;
     }