hurt bottom and water leak

No, that is the drain from the air conditioner hose. It should leak nicely when running the AC in the summer.

No, your fine.

I found there was a small rubber

Condensate drain for air conditioning - supposed to drain clear water there - unrelated to hitting the frame on the ground. Had a similar experience coming off a freeway, through a yellow light, into the driveway of a commercial center at around 35 mph. BAM! Touched up the scrape mark with black Rustoleum, and wound up replacing one of the (Silverstar) headlamp bulbs shortly thereafter - not particularly good for the battery either to have that kind of shock - but there's not much you can do after the fact. Just check under the hood carefully and try to avoid recurrence of smashing the undercarriage into the ground.

They are a little low at the front. I inadvertantly ran over a raised ridge on the verge of a cement-road. The Camry waggled the left wheel in the air for about a yard. On inspection, the sub-frame had taken the punishment The vitals are generally well protected.

Jason