Here's some recent pic threads with light tint:
1st mod (tint)
Can i see some civics with very light tint
50% Window Tint All Around - Yes or No
More importantly is film selection and installer selection.
How YOU can pick a good tint shop
While you may not be able to go dark as you want, there are plenty of 70% to 50% films out there that will provide up to 55% heat rejection (more than most "limo" films) and 99% UV rejection.
Also, about being funny. Keep in mind almost every truck, SUV, minivan, Dodge Magnum, and PT Cruiser come this way. Do they look "funny"?