For a general idea of European Stereotypes:
European Stereotypes (where the image comes from)
'What Europeans think of each other'
Europe divided up in 20 different ways
For country specific here are a few places to start your hunt:
French Stereotypes
Italian Stereotypes
Irish Stereotypes
England Stereotypes
German Stereotypes
Dutch Stereotypes
Polish Stereotypes
Spanish Stereotypes
Belgian Stereotypes
Swedish Stereotypes
Russian Stereotypes