To insert an image click on the icon that looks like mountains (see below.)
When the small window pop up appears, Click "Browse Server" (see below.)
Another large window will pop up. Click the upload button at the top of this window. Then click browse and find the desired image. After selecting the image click upload, simply hit insert and the photo will load on the page.
To change the alignment and spacing of the photo, click on the icon that looks like mountains and modify the width and height text fields (see below.)