Based on the limited information available for the 2004 short film 'Valerian,' there is insufficient data to accurately assess the presence or portrayal of LGBTQ+ characters or themes within the narrative.

There is insufficient information available to evaluate the film's portrayal of transsexual characters or themes. Without plot details or character descriptions, a determination of positive, negative, or neutral impact cannot be made, as no specific character arcs or story plots can be assessed.

The movie does not contain any action or adventure elements.

The film 'Valerian, 2004' is a short film with no widely established source material or prior character canon. Without a baseline for character genders from previous adaptations or history, it is impossible to determine if any gender swaps occurred.

There is no information provided regarding the source material, specific characters, their established canonical races, or the races of the actors portraying them in 'Valerian, 2004'. Without this data, it is impossible to determine if any race swaps occurred.