Linker error SDL

[windowspsycho]

I followed a tutorial on youtube and various other tutorials i found and i cannot get a window to appear. I am getting a "error LNK2019: unresolved external symbol _SD" I made sure i set the properties to my SDL include and lib file. No matter what i do it keeps gicing me 6 unresolved externals. I am running 64 bit windows 7. I am using Visual Studio 2010.

#include "SDL.h"
//#include <stdlib.h>
//#include <iostream>
//using namespace std;

int main(int argc, char* argv[])
//int main(int argc, char *argv[])
{
	SDL_Init (SDL_INIT_EVERYTHING);
	SDL_Surface* screen;
	screen = SDL_SetVideoMode(640,480, 32, SDL_SWSURFACE);
	bool running = true;
	while(running)
	{
		SDL_Event event;
		while(SDL_PollEvent(&event))
		{
			switch(event.type)
			{
			case SDL_QUIT:
				running=false;
				break;

			}
		}

		SDL_Flip(screen);
	}
	SDL_Quit();
	return 0;
}