If you schmucks thought all that Americans do is get their breasts augmented, penises enlarged and skins tanned, you’d be so wrong.

Americans have a different obsession – online videos.

In April alone, Americans watched 16.8 billion online videos, an increase of 16% over the prior month.

Must be something in the water here. Because we spend a lot of time too watching Bollywood and Tamil videos.

According to the comScore Video Metrix report for April, the average U.S. viewer watched 6.4 hours of online video during April.

Of course, Google’s YouTube was again the top U.S. video destination with 6.8 billion videos viewed (40.7% online video market share), a 15% increase over March.

Here are some of the other highlights from the comScore April 2009 report:

* Nearly 152 million U.S. Internet users watched an average of 111 videos per viewer in April

If the availability of 40,000 applications has not swayed you, here’s one more reason to get an iPhone.

iPorn (no, it’s not a Hindu Puja site) plans to roll out a new version of its free mobile adult entertainment site tailored to the iPhone on June 8 to coincide with the Apple iPhone World Wide Developer Conference, scheduled for June 8-10 at the Moscone Center in San Francisco.

We spoke to the folks at iPorn a short while ago and they told us the free mobile site has been up and running for the last two-three months.

iPorn Marred by Glitches Initially
However, when we tried to access the iPorn site from our iPhone, the videos wouldn’t play initially.

We tried accessing the existing iPorn mobile site, first on WiFi and then on 3G. The iPorn site redirected us to the Bitgravity content delivery network but didn’t pull up the videos.

We picked the ‘Ada‘ video from the Recently Added free Videos section and tried playing it on WiFi and 3G. No luck on both counts.

Then, we tried accessing the ‘Tori Black‘ Video from Today’s Featured Video in 3G. Again, we got a 404 page cannot be found error.

iPorn Chairman Francis Koenig told us that for some reason we were getting redirected to the development site where the videos were not connected to the databases. When Koenig tried accessing the videos on his iPhone, he ended up with the same error.