try using tinypic.com as this does not need any registration first. Go into the first page, click on browse which will bring up your file lists from your pc. Click on the file you wish to add and then click on uplead now.
When your photo appears click on it and then highlight the information in your http box at the top of your screen by putting the cursor over it and right clicking on your mouse, press copy and then go into this site and paste the link into your question box.
good luck.