I happened to missplace my Pebble charging cable, and I was travelling with no electronics stores near.
Its quite easy to make an emergency one with just a spare usb cable, and a piece of tape.
Cut off the cable and pull out the red and blue cords. tape the cords to the pebble charging pads.
If you get them wrong nothing bad happens, but its your own responsibility of course.
Voila! Emergency Pebble charging!