Author's Comments
Look carefully for specific instructions
The filter names are shown above in the image.
Here they are again:
flipv (flip linking images vertical; on hover, it goes to normal)
fliph (flip linking images horizontal; on hover, it goes to normal)
invert (ivert the image; on hover, it goes to normal)
gray (give your linking image a grayscale effect; on hover, it will go back to normal colors)
The filter in the code below is set to gray.
Here they are again:
flipv (flip linking images vertical; on hover, it goes to normal)
fliph (flip linking images horizontal; on hover, it goes to normal)
invert (ivert the image; on hover, it goes to normal)
gray (give your linking image a grayscale effect; on hover, it will go back to normal colors)
The filter in the code below is set to gray.