You can upload only 1 image/photo for each section . introduction - 1 photo tasks - 1 photo ....... etc again, You cannot add photo inside the content box.
Here are the instructions for uploading an image on top of your page.
Login, select your webquest, go to introduction page. You will see a button unde eath an image that says "update". Click on the button. Then follow directions to upload your image from your computer to you webquest. Please remember that you must have the picture on your computer in jpeg, gif or png format. Same procedure works for all sections of the website.
Reply to this post if you have any other questions.
ZUNAL can not check if your image is copy-righted. It would not allow you to upload if the size of the image is larger than 5mb or if you are uploading an unrecognized image type (other than jpeg, gif, png etc.)