crawmerax help needed please

Looking for a someone or team to take down crawmerax on the first playthrough. Iv never played with anyone online before in borderlands, and im only level 50.. But i need the help please.. I cant do it alone. Im also looking for any help with geting another 5 million $$$ for that stupid "worlds largest bullet" achievement... Help is much apreciated. Please and thanks. Ill give my favorite revolver for help, its a level 40 Dl200 Bloody revolver Damage = 660 91.7 accuracy 150% damage increase 2.3x weapon zoom Can also give a 10101 cannon its a level 28, 886 damage eridian rocket launcher. as well as a 100 thunderstorm, its level 19 99x8 damage, eridian shotgun.