Logon images
These are the backgrounds of the splash-screen windows shown at program launch (they are used in random order).   All images © Mark Chappell.

Clouds and fog, Big Sur, California.

Grand Prismatic Spring, Yellowstone.

Tufa towers, Mono Lake, California.

Oscellated turkey feathers, San Antonio Zoo.

Autumn oak leaves, Yosemite.

Ibex Dunes, Death Valley, California.

Mountain lion, Arizona-Sonora Desert Museum.

Cuernos de Paine, Chile.

Dawn in a Florida pine forest.

Sunset, Bosque del Apache, New Mexico.

Virgin River Canyon, Zion National Park, Utah.

Storm waves, Monterey Peninsula, California.

Ferruginous hawk feathers (a wild bird), California.

Barrel cactus flowers, California.

Wall Street formations, Arches National Park, Utah.

Sumatran tiger, San Diego Safari Park.

Blue-eyed darner dragonfly, California.

Mountain peacock-pheasant, San Diego Zoo.

Towers of the Virgin, Zion National Park, Utah.

Great horned owl at sunset, Everglades, Florida.

Common poorwill (a wild bird), California.

Rodent tracks, Coral Pink Sand Dunes, Utah.

Cholla garden, Joshua Tree National Park, California.

Snow geese and rainbow, Bosque del Apache, New Mexico.

Eight-spotted skimmer, Idaho.

Eroded red sandstone, Arches National Park, Utah.

Ferruginous hawk, California.

Thunderstorm, Two Peoples Bay, Western Australia.

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