Click My Exchange Profile. (left sidebar) or My Account (Top Right corner)
The click Change my picture (If you chose My Exchange Profile) or Click Edit next to profile picture. (If you chose to upload using "My Account")
Click Select Image
Then browse on your computer for the file you want to use.
It then will give you the option to crop or to use a portion of a larger picture if you want.
Use your mouse to move the gray overlay over the part of the picture you want to use. The darker squares at the corners of the dotted lines can be moved to stretch or shrink the portion of the picture you want to use.
Note: It will take up to 24 hours for your photo to change. View Thread
If you want to include a picture within a post- (not the persona/profile/avatar image that appears next to the member name on their post each time) you need to have the picture available already uploaded online.
If you have a picture already uploaded online-like on Flickr, Facebook, Picasa, Picapp, Photobucket, a personal website, etc-then you just use the url for that picture.
Be sure you own the picture or have permission to use it
(There are some free use picture sites so if you want a generic shamrock or beach or whatever out there but they will ask you to link back to their site. Please follow any rules the picture hosting site requires)
Once you have located a picture you want to use-find out the URL. For the example, I will use a picture here on WebMD:
To include that in the post, click the photo icon at the top of this box (It is the one that looks like a blue square in a Polaroid-sort of) I paste that entire url into the pop up box and here is that picture: View Thread