http://bang.lanl.gov/solarsys/raw/jup/jupiter.gif
Hubble true color image of Jupiter

http://www.stsci.edu/ftp/pubinfo/gif/JupiterWS.gif
Storms on Jupiter 
caption in http://www.stsci.edu/ftp/pubinfo/gif/JupiterWS.txt

http://spacelink.msfc.nasa.gov/Instructional.Materials/Curriculum.Materials/Sciences/Astronomy/Our.Solar.System/Jupiter/Jupiter.Lithograph.gif
Jupiter, computer enhanced

gal_redspot.jpg
http://www.jpl.nasa.gov/galileo/ganymede/08221996_full.jpg
Galileo image of red spot ("true color").  caption at 
http://www.jpl.nasa.gov/galileo/ganymede/082296.html

ftp://ftp.univ-rennes1.fr/pub/Images/ASTRO/jupiter/jupring.gif
Jupiter's ring and planet limb

http://nssdc.gsfc.nasa.gov/image/planetary/jupiter/jupiter_io.jpg
Jupiter & Io with Ganymede's shadow on Jupiter

http://ceps.nasm.edu:2020/RPIF/IMG/JUPITER/gals.gif
Voyager montage of Galilean moons

ftp://ftp.univ-rennes1.fr/pub/Images/ASTRO/jupiter/jupiter2.gif
Jupiter with two moons seen against its surface

magfield.gif
http://www.jpl.nasa.gov/galileo/images/230-1226B_s.gif
Drawing of Jupiter's magnetic field.

magnetosphere.gif
http://www.jpl.nasa.gov/galileo/images/230-949Ac_s.gif
Drawing of Jupiter's magnetosphere

redspot_turb.gif is cropped from jupclouds_vgr.gif.