Since this is an older XviD release, the timing is specific to the frame rate and cuts of that particular "DiAMOND" encode. You can typically find these files on:
Another reliable database for older scene releases where you can filter by specific release groups. subtitle Idiocracy.LIMITED.DVDRip.XviD-DiAMOND
Search specifically for the "DiAMOND" tag to ensure the .srt file matches your video's timing. Since this is an older XviD release, the
Look for entries that mention "DVDRip" or "XviD" in the description, as these are most likely to be compatible with your version. Look for entries that mention "DVDRip" or "XviD"
If you cannot find an exact match, most modern media players like or MPC-HC allow you to manually adjust subtitle delay (usually using the H and J keys) to sync a generic DVDRip subtitle with your file.
To find subtitles specifically synced for the release, you can check major subtitle repositories that index files by their scene release names.