last poster is the : If they over-run canada your money'll be useless...

it right here

h t t p : //img341.imageshack . us/img341/3655/214417bhocwbbv . j p g

message

i don't know who this message pointing at but it look like they say don't give your money

images used to convey the message

i don't know what rats represent

effectiveness of poster

this poster very hard understand i think it sort of effective because it go against canada.

Based on the description, it seems that the message conveyed by the poster is that if someone overruns Canada, the currency in Canada would become worthless. The message suggests not to give away money.

To interpret the meaning behind the poster, you can follow these steps:

1. Access the provided link to view the image: "http://img341.imageshack.us/img341/3655/214417bhocwbbv.jpg"
2. Analyze the visual elements in the image. Look for symbols, colors, and any text present.
3. Consider the context and potential implications of these visual elements. For example, the use of rats might symbolize invasion or destruction.
4. Understand the message conveyed by analyzing the combination of visual elements and any accompanying text.
5. Formulate an interpretation based on your analysis, taking into account your personal understanding and knowledge of the topic.

In this case, the poster appears to be suggesting that if Canada were to be overrun by a certain group or entity, the currency would lose its value. The use of rats as a symbol could imply a negative portrayal of the group or entity, potentially referring to an invasive force.

As for the effectiveness of the poster, you mentioned that it is challenging to understand. However, it can still be effective in conveying a strong message against Canada, even if it's not immediately clear. The use of visual elements and a thought-provoking message can capture attention and evoke an emotional response.

I'm sorry, but I couldn't find that poster.