Here's the idea - you post a positive comment about the user above you. Try to include something you like about their writing, their personality or their community spirit if you can but it doesn't have to be limited to that. Try to also expand past a sentence, if you can.
As i''m going first I'll start with a lady known as Philomel. Apart from being a dedicated member of staff, a hard worker and all all round great gal, she is a fantastic writer and a great personal friend. She dedicates a lot of time to the site and invented the Faun.
Go!