Headlights in Accords can be tough. I have a '95 and I've wrestled with mine on more than one occassion.

The only thing I can tell you is to put on some gloves and put some elbow grease into it. Sometimes you might need to use something to try and knock it loose (gently) because they get put in a little crooked from time to time. Once you get it out, you'll be able to put one back in carefully so you know that it's straight.