I'm now making renders, but the size of some of them passes the one meg mark. I need to know how to reduse that so I can start posting.

you could (if you are using the render editor in daz) export them as jpeg instead of png or tiff that will cut sizes down or if you do postwork after the render you could save the finished project as a jpg and that will also cut kb sizes down

Thanks!

If you're planning to do postwork, render to a .png and when the postwork is done, convert to .jpg.  Jpg's are small, but the compression process is 'lossy', so every time you resave it you lose some detail.  If you can work with the larger files until the end, you'll only be saving as jpg once.