Most those photos are other techniques. What I call dead bug is specifically to solder chip to a prototyping board by inverting the chip and soldering wires directly to the chip pads.

http://dangerousprototypes.com/blog/2012/11/15/fine-pitch-bg...

I don't put photos of my prototypes on the Internet, but this is how it, more or less, looks like (only I use board with holes):

http://dangerousprototypes.com/blog/2012/10/24/who-says-bga-...