Replying to Photoshop Final! Need Help Qucikly

I need to make a tilt shift photo in photoshop that emulates a mini cooper ad i found, due tonight. first of all I need a high quality picture i can use from the internet. if anyone can show me sites to look through that would be great, and i want the picture to be of a city with a car or an object in the middle that i can focus the tilt shift on. also if you have any tips about making the tilt shift effect or how to make lines in photoshop, please help me out. thanks ns!