If you upload an image into an editor and find that it's too large, it's easy to resize the image to fit your layout.
1. In the WYSIWYG editor, double-click on the image you want to re-size.
2. In the dialog box that appears, be sure the lock icon indicates that it is closed. If it is not, click the lock icon to lock it.
3. Enter the Width or Height in pixels (when you define a value the other value will automatically populate.
4. Click "OK"
5. Click "Save"