I don't know of too many white collar type jobs for folks without a degree, and now because of the economy it's probably even more slim pickings.
You might have better luck looking into service related jobs. Not sure if things have changed due to the economy, but many nursing homes in our area would hire and train people to be CNA's (certified nursing assistants), dietitian's assistant, or housekeeping aide. The pay is very good for those without a degree, but the work demanding. The nursing asistant positions would be certified and sometimes after putting in a few years at the place where you are trained you'd be able to move into other similar work in the medical profession. Similarly home health aide positions are good and flexible and they tend to hire stay at home moms for these jobs because this is what their clients prefer.
As I said, not sure if things are still this way, but you might want to check around. I had a couple of friends who wanted to be RN's but were short on cash for school do this.
You might also check civil service type jobs, such as your state's department of natural resources (for example our state has fire ranger training and testing each summer - alot of college students or recent high school grads apply), department of corrections, highway department (road construction or city landscaping work), the post office or companies like your local airlines as a booking agent, stewardess, or as a clerk on the concourse or TSA agent), school bus company driver, public transit driver, ups, fedex in shipping department, etc. Once again, might be competitive because of the economy but you can certainly try.
Other considerations (not necessarily white collar) day care provider, hotel worker (either cleaning, food service, or clerk), pet walker, house sitter, maid/home cleaning service, store clerk, waitress.
Go to your state's employment pages or find a head hunter if you're at a loss where to start looking or need help pulling together a resume.