[jcwilde]

Most writeups/HowTos for this problem cover all human skin colours with reasonable degrees of success (given how niave th algorithm is).

The article specifically mentions Hulk and Smurf porn easily defeating the filter.

[pbhjpbhj]

Depending how they sample it perhaps half-toning would defeat it too?

[stevemcgrath]

flesh-tone filtering algorithms sucked.