http://www.instructables.com/id/Make-A-Portable-Solar-lantern/

Solar powered LED lights need no outlet so they can be placed anywhere that gets sunlight.
http://www.stacksandstacks.com/

EarthToys website. Misc Gadgets
http://www.earthtoys.com/products.php

115V Holiday Bulbs – varied colors, mixed, & white or green wires.
http://www.aachristmas.com/

12 volt and ‘run on inverter’, click on LED light strings or scroll down
http://www.backwoodssolar.com/

12 volt multicolored
http://www.realgoods.com/

Battery, blue lights!
http://shopping.discovery.com/

Battery, white lights, for under a patio umbrella
http://www.improvementscatalog.com/

Run on inverter and battery LED strings
http://www.cheesylights.com/led1.html

Run on inverter, battery, another source with more variety their battery-operated red LED strings can be set to “random blink” or “steady on” and take 2 C batteries. the description on the website doesn’t give you enough information.
http://www.bettyschristmashouse.com/

Run on inverter, ‘forever bright’ LED strings
http://www.foreverled.net

More sources and info for ‘forever bright’ LED strings
http://www.holidaycreations.com/
http://www.brite-lite.com/

Colored or white LED rope lights, 120 volt red or yellow, 100 foot reels, ~$2 and .48 watts a foot
http://www.santaslites.com/ledropelight.htm

Red or yellow, ~$4 and .47 watt a foot on 150 foot reels
http://www.residential-landscape-lighting-design.com/

Blue, green or white, ~$15 and .77 watt a foot
http://www.residential-landscape-lighting-design.com/

3 AA battery light strings in different colors (not LEDs)
http://www.epartyunlimited.com/

Maybe thomas could bring us a couple of these
http://www.kiss-textil.de/

Wholesale orders?
http://www.globalsources.com/

Blue strings! wholesale order?
http://temin-lighting.en.alibaba.com/

Make your own! retrofit old xmas lights into LED strings
http://www.breskin.com/

Home built LED light curtain
http://www.fourmilab.ch/

General LED info
http://members.misty.com/

OnLine Resistor Calculator LED’s, Voltage, Resistors
http://www.luxeonstar.com/

Another on-line calc
http://linear1.org/

Here is a great link I found on my sailing list about how to build LED circuits. It is specific for the marine environment but very applicable to other applications.
http://www.sailnet.com/