In this box you just wrote in it is orange, you can see 4 more white boxes below it. In the 3rd box below it you will see a box that says attach files, in that box it says (manage attachments) click on that and another box will open in the corner of your screen that says choose file stacked on top of one another, start at the top and click choose file that willl take you to a nother box that has all your different files in it. double click what picture you want and you will see it start loading. when it is done loading if you want more picks put up click the choose file #2 if not click upload and when it is done you will see the file name on your original box then just click post.