You have just been connected to Francis Thomas Ocoma. Feel free to peruse the floating bits of random information and thoughts. Please be careful, though, not to disturb the neurons. They can get real touchy at times. Mental scarring may ensue.
The makers of the (classic) compression package Stuffit have written a program that can compress JPGs by roughly 30%. This isn't the raw image to JPG compression, this is lossless compression applied to the JPG file. Typical compression rates for JPGs are 2% to -1%.