Creating Niche keyword landing pages for your product is an EXCELLENT Idea
Having a page optimized for each keyword possiblity will bring you more and more customers and the pages will be indexed by the search companies are individual content as long as you are not duplicating your verbage and you rename your pictures.
This is a win win situation.
In the Marketing Sense you are reaching people who want to reach you, not by black hat
SEO but by casting a wider net of key phrases.
In a
SEO Sense it gives you more content, more pages. More links More.
It gives your customers what they are looking for, increases your traffic and gives you an
SEO boost.
Absolutely seek those niche keywords