While most full-movie uploads on the Internet Archive are low-resolution "placeholders" or trailers, some specific versions offer unique viewing experiences: Super 8 Digest : A fascinating Super 8 version
Alien Magazine Collector's Edition (1979) : Warren Publications
Here is the "better content" you should look for:
If you are searching the Internet Archive for an authentic Alien experience, look for specific identifiers in the upload titles and descriptions:
The Archive frequently hosts the pure 1979 theatrical cut – no added director’s cut scenes (the cocooned Dallas, the alternate alien death) that slightly alter pacing. You get the lean, mean, 117-minute nightmare that shocked audiences.
Avoid user-made modern trailers or clips.
To improve the "deep text" description for on the Internet Archive, your focus should be on capturing its unique blend of industrial realism, Gothic horror, and psychological depth. You can find high-quality archival materials like the Alien Magazine Collector's Edition (1979) to use as a primary source for your descriptions. Thematic Core & Industrial Aesthetic