These are from my phone, fairly large. The first picture shows the 3V3 line going to the bottom rail on the breadboard, and the 5V line going to the upper rail. Common ground between both and the Uno.
Overall: http://www.thekirchners.net/microSD/overall.jpg
SD closeup: http://www.thekirchners.net/microSD/sdcloseup.jpg
Level converter: http://www.thekirchners.net/microSD/levelconverter.jpg
Uno Closeup: http://www.thekirchners.net/microSD/unocloseup.jpg
SD & level converter: http://www.thekirchners.net/microSD/sdlevel.jpg
