Upload your smilies via FTP. They should be in the folder ‘Images’ -> ‘Smilies’. After uploading them… To create a theme on XMB login as administrator. Click on Options-Administration Panel. There, under Look and Feel, click on smilies. On the next page, scroll down. Under the list of existing smilies you’ll see two text fields. On the first text field write the code you’d like for that smilie. On the secong write the name and extension of the smilies file you uploaded. Click submit changes and you’re done!