You have 26 activities already, it remain just 4 more activities. When you get to 30 activities, your rank will change to junior member and you will be able to upload image.
Op is of newbies rank, so he can't add images to his post for now.. op, you need to be at least of a junior membership to enable images then upload to an image hosting site and post the link to display here on the forum.. or you can get a copper membership as well to enable you post images...
Do not mind me at all, I thought he had higher rank because he has 7 merits already, but he is still a newbie.