Add better images from MSFC

Sources:

262: http://mix.msfc.nasa.gov/abstracts.php?p=1475
356a: http://mix.msfc.nasa.gov/abstracts.php?p=1180
356c: http://mix.msfc.nasa.gov/abstracts.php?p=2157
389b: http://mix.msfc.nasa.gov/abstracts.php?p=55