Replying to Skiing Communications Speech

I'm usually the last person to ask Newschoolers for help with academic assignments, but this time I really think the community could help me out.

I need to write a 5-6 minute speech for my COM 100 class. The topic could be anything we wanted. I'm choosing freeskiing. The way it's going to be set up is as so:

I. Introduction

II. Three types of freeskiing: Park, Urban and Big Mountain
A description of each will be given in my own words and then I'll probably name a very well known pro for each category. Wallisch for park, Casabon for Urban and Candide for Big mountain. Then I'll probably mention the influence the pros have had on each aspect of that part of skiing.

III. Equipment: Outerwear, Skis, Bindings, Boots, Poles
I'll describe the basic functions of each part of the equipment, which company (companies) is/are the most reputable and then give show them my set up as a visual aid.

IV. East Vs. West skiing
This is where i'll name different mountains on the east and west coasts and give some statistics about them and compare and contrast the two. I'll probably say how Alta got this many inches last year and Snowbird got this many and Sunday River and Sugar Loaf got this many.

Basically what I'm asking you guys for is that I need sources to cite for this stuff. I really have no idea where to look. I'll look up info for each of the mountains so that's covered but for the different types of skiing and equipment I'm not too sure about what to do. Think you guys can help?