There was definitely a fascination with white people (especially sexy men or women in skimpy clothes) fighting the perils of the jungle during the cinema of the 1930s through 1950s. On the one hand, there is the notion of city-dwelling people learning to surmount the raw, alien nature in the foliage; on the other, there's the inescapable air of superiority from the white interlopers looking to exploit anything and everything they could get their hands on. Especially over the more "primitive" people native to the landscape, who are only good for carrying the baggage or running around scared or flinging spears at every opportunity. I find the movies still entertaining, but within the context of their time and a few grains of salt.
This Mexican lobby card for White Huntress pretty much follows the original poster art, but with more action and color. Who doesn't like watching blond-haired women fighting pythons?