Comment before you favourite. Comment because you care. And spread the word!
Use the icon by putting :iconcommentplz: in your journal, deviation description or comment. Use the stamp by putting :thumb43231916: in your journal. Thumbnails do not work in comments and they only work in deviation descriptions if you have Core membership nowadays, or if you are a senior member.
If you're going to comment here or ask a question, read the FAQ first. 90% of people don't, and they look stupid for it.
This stamp was made for livius (journal) and the hundreds of you who agree with them.
If a deviant displays this stamp or icon in their deviation description, they are indicating that they care more about comments than favourites, and will ignore people who fave just to get attention.
Show deviants some courtesy and respect by giving them critique and feedback if they request it. Nobody can force you to comment, but we hope people will read this and consider giving something back to the artists they love. This stamp has influenced and enlightened a lot of people, who say they feel better knowing they've made contact with the artists.
If you are the kind of person that favourites more than 10 things per day, then you're not using the system as it was intended. A favourite means you consider something to be really special, and they should not be overused, or they become worthless.
Favourites should not be a way of seeking attention - this is known as fav-bombing and is not welcomed. Prove that you care by saying what you like about the piece. Critique and praise alike, comments are a form of human social interaction that favourites can never give. That's the kind of active community we want in DA. Which would you rather receive?
Can I use this stamp/icon in my submissions? Yes, you can use it anywhere on deviantART.
Does order matter? Does it matter if I favourite before I comment? Don't be silly; of course not!
What if I'm too busy to comment? Consider coming back and commenting later.
Do short comments like 'Cool' or 'Nice!' count? If the deviant has specified that they wish to receive critique, then no.
What if the artist never replies to comments? Well, it's up to you to decide if you think the artist will appreciate your comment or not.
What if I never know what to say in a comment? See below for some awesome guides on how to write constructive critique.
Why does this stamp have more favourites than comments? Because this is just a typical example of a deviation on DA. At least by having a high number of favourites, it's increasing awareness.