I saw your post - Trying to help and don't want to confuse anyone - but I've found this is THE EASIEST program on the net - I've given it to many beginners and they understand it ...it's very simple and just a small download - it IS free too.
Go here -
http://bluefive.pair.com/free95.htm
Scroll to PixResizer - and download - then OPEN up the program -
Depending on the size of your image you just have to click ONE SIZE (USUALLY 50%) and it resizes it for you...SAVE it as a JPEG
ONCE you resize and want to upload photos into a post ...
In your post, Scroll down and you’ll see Additional Options
Click MANAGE ATTACHMENTS
Click BROWSE to find the picture on your Computer
Click the picture – then click UPLOAD