Finnish ones
(sorry it's not complete...)
by Tom of Finland

means (freely translated)
"Take it just firmly in your hand and stuck it in your mouth."
"Taisi ruveta pojun oma kyrpäkin seisomaan"
(some of the text has weared off)
"It seems that boy's own dick is getting hard"

"Oh damn boss, let me touch it, please!"
"Ihana häntä!"
"What an wonderful tail"
"Saatanan komea vehje!"
"Damn good-looking tool!
Damn can be replaced with more powerful word if you'd like.