You're doing great, milly - splodge is just showing off!
If you'd like to attach a 'smilie' to your message, click on one of the little animated pictures to the right of the screen where you type your message, and something like this - : dance : (but without the spaces before the d and after the e) will appear. Then when you post your reply, it will appear like this!
Go on, give it a try!
