oven666
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No, it's better as it is. Although, I will note that there is a way to improve the situation. It's up to you, of course, but I would do one of three things, either one or the other:
1) I would find "realistic" artwork for all the characters that are not in the film. That is, not just doodles, but an attempt to accurately depict the character. The remaining artworks that are from the films would be processed with a filter in the style of an oil painting.
2) I would find artwork for all the characters that is similar in style.
3) I would only use frames from the film, and for the characters that don't exist in the film, I would choose based on the principle of "also frames from the film, but not that film and not those characters, just similar ones."
2) This is subjective! This series of books is more appealing to adults who have complicated lives with family and work than to teenage girls who mainly draw artwork for Twilight, Harry Potter, and other fandoms.
3) Well, then only seven are needed (three of which are optional), but I'm really worried about the picture with Mrisviz - I need a character in a cloak with a hood that changes color and with knives: Wolverine in a Lorien cloak, where can I find that?