gistfile1.js

// ==UserScript==
// @name Enhanced DesktopTeamBlog 
// @include http://my.opera.com/desktopteam/blog/*
// @include http://my.opera.com/*
// ==/UserScript==

document.addEventListener( 'DOMContentLoaded', function (e) {
  var emps = [ 
    { name   : 'led',        
      style  : { border : '1px solid red',   backgroundColor : '#FDD', borderRadius:'15px' }, 
      member : ['huibk','olli'] },
    { name   : 'developper',        
      style  : { border : '1px solid green', backgroundColor : '#DFD', borderRadius:'15px' }, 
      member : ['2beR','Wojciech','karie','feldgendler','manooh', 'haralkar','AVL','andersm','minch',
                'mitchman2','dreamertan','julienp','rfz','alexremen','espens','IIXII','perarnevollan','noteme'] },
    { name   : 'tester',
      style  : { border : '1px solid blue',  backgroundColor : '#DDF', borderRadius:'15px' }, 
      member : ['danaleks','cato','rijk','helgeag','haavard','toman', 'gandhi2','areffhaug','csant','svein','saito','ruario','ekg', 'daniel','bkazmierczak'] },
    { name   : 'other_employs',
      style  : { border : '1px solid orange',  backgroundColor : '#FFD', borderRadius:'15px' },
      member : ['borg', 'Junyor', 'bazylizygan', 'hicksdesign', 'Lawmune', 'kristine', 'JensL', 'hallvors','blaabjerg'] } ,
     { name : 'mac team',
        style : { border : '1px solid black',  backgroundColor : '#ccc', borderRadius:'15px' },
        member : ['mrwalker'] }
  ].map(function( emp ){ emp.reg = new RegExp( emp.member.join('\/|'), 'i' ); return emp; } );
  Array.prototype.forEach.call(
    document.querySelectorAll('.avatar > a'),
    function(a){
      for ( var j = 0, emp; emp = emps[ j ]; ++j ) {
        if ( emp.reg.test(a.href) ) { 
          a.parentNode.parentNode.appendChild( document.createTextNode(emp.name) );
          for ( var k in emp.style ) if ( emp.style.hasOwnProperty( k ) ){ 
            a.parentNode.parentNode.style[k] = emp.style[k]; 
          }
          break;
        }
      }
    }
  );
}, false );