I'm guessing it will be the standard ones like: Arial - Comic Sans - Curier New - Georgia - Lucida Sans Unicode - Tahoma - Times new roman - Trebuchet MS - Verdana
For glow try: Prefix: <span style='filter:glow(color=yellow strength=1); height: 1px;'>Suffix: </span>I'm sure you could play about with the height, strength and colour to suit you. Thanks
replace it with this one <if test="cf_twitter:|:$f->raw_data['pf_key'] == 'twitter'"> <a class='url uid' rel="me" href='http://twitter.com/{$f->parsed}' target='_blank'>{$f->parsed}</a> <else />