I2c lcd with PCF8574 possible ?

Hi there,

I looking for some library or sample how i could drive an lcd 2x16 with an PCF8574 with my arduino,

but i cant find only samples with MCP23008, or PCA9555 (pca9535).

any help is welcome.
greetings Rene

Have you seen this ?
http://www.arduino.cc/playground/Code/I2CPortExpanderAndLCDs