Thank you very much for the detailed description, man!I did as you told me and I call the action - Is there any changes I have to make in the code? I adjusted the names in the lines 20 and 22 in the second code, but I get "Failed to run string in Lua".
Did you also change the path in lines 20 & 22?
vispath: is the root folder where your ved/vis file is located. Based on his script he created a sub folder called "effects" which is where he placed the images. I guess you also need to edit the images to suit your game too, so that only the mirror part is affected. You are probably going to have to use a bit of trial & error to get it to work, or you could ask if Nenad will take a look at your ved/resources if you are willing to share them, or stripped down version of them.
P.S: quick note: Lua is case sensitive, so be careful when writing names.