Click on the image titled Fragment W: Four Image Composite. It shows where the fragments impacted by superimposing a grid on the night side of Jupiter.
Galileo Image Gallery: Comet Shoemaker-Levy 9
This image shows Jupiter in the Ultraviolet spectrum. The impacts from the comet are clearly visible. To give you a sense of perspective, some of the disturbances in Jupiter's clouds are larger than Earth.
Hubble Space Telescope Image of Fragment BDGLNQ12R Impacts