Fixed, you should be able to add as many as you want now. As for amount of them the ones we have are the default ones, shall look for a smilies pack of which there are loads and that we increase the amount of them.
Its possible he was caught out by the spam protection on his emails when he signed up. Ask him to try again and if it doesn't work can you PM both me and Dabz and we can create an account for him ourselves.
Device specific details here http://www.tapatalk.com but it's basically an app for phones and tablets which let you access the forums quicker.