Hi...that's easy to do - just open your dogster page and copy the whole url from the address bar -
Come back here and paste it in your post.
With multiple links - just have 2 browsers open - you can jump back and forth. You can click PREVIEW & test your links to make sure you did it right before you submit your post
Your Dogster link will look like this -
http://www.dogster.com/pet_page.php?j=t&i=141928