It seems like one of these problems which are very common, but I've searched for the solution and I just can't find an answer. I'm pretty new to it, so excuse me if that's a stupid question.
I tried to use BulletXt's Light Script in VX Ace and it seems to be working, but no matter where do I put the events with particular lightning comments, the pictures are showing off only in the upper-left corner of the screen, like this: