Couple alternatives to Dropbox (Open Source and you have the ability to host yourself, so no data goes through someone else's servers...): Syncthing and Turtl. There's also for a more comprehensive experience.
Your Host:
Ouray 2007: Curtis at Schoolhouse
10 Random Photos:
Shelf Road 2002: Greg and Ellen
White Ranch: Panoramic 02
Australia 2004: Taronga Iguana 02
Taipei 2001: Street Scene 02
Ballooning 2005: Diagonal Highway
Roatan2000: Parrotfish
Roatan2000: Curtis and a Parrot
Lavender Festival 2004: Lavender and Bee
St Louis 2006: Martin Luther King Memorial Bridge
Jamaica 2002: Cory