Lysander

hi guys. im having the same problem but i cant find the "force anti aliasing" check box anywhere. here is an image of my game: http://imgur.com/FBc91 ive checked it several times, so either its been moved from tekkit or it isnt in tekkit at all? please reply asap. its very annoying. (p.s. ive reinstalled it twice and have tried different texture packs) any assistance will be much appreciated.