help me in comparison essay

It was along time since my last visit to your perfect bullitten,due to lots of home work in college.
So I need your help in writting an essay about my dream vacation and nightmare vacation and it should be either acomparison or contrast essay. I have to mention three points of comparison or contrast,for example method of transportation ,destination,any other thing.I feel that Iam confused about that ....could you please help me by giving some important rules about that ???? some ideas??

thanks alot

red rose

by the way I wrote an essay but Iam not sure bout it ...can I write it here???

[RonBee]

I suggest that you post your essay and then one of us can make suggestions about improvements. (I moved the post to Editing and Writing Topics.)