Skaters are actually pretty cool guys, in general. First skate video I found on YT: http://www.youtube.com/watch?v=DAvGzCPa0TU

Sample comments:

Asking for advice: > when you tre flip over something (gap, stairs or anything) does anyone else dangle their foot like this guy?

Generic compliment: > damn, nice

Complimenting form: > you land well clean kickflips

Observation of differences: > it realy is true how europe has alot more amazing skate spots n obstacles than america,

One troll: > u blow