This is a gallery page containing specially selected images. They have been chosen as highlights of a particular topic, but do not represent the full range of images that are available on Commons. For a wider selection of images connected with Jupiter, see Category:Jupiter.
For images of the solar system you might consult the NASA/JPL planetary Photojournal. The images there are available with description, available in maximum resolution and are usually available in both lossless and jpeg formats. For images of Jupiter, see http://photojournal.jpl.nasa.gov/target/Jupiter