If you want to stay on CD-R media but hate VCD’s blurriness,
If you specifically need to keep file sizes very small (around 10MB per minute) but want slightly better visual clarity, consider these: MPEG-4 Part 2 (DivX/Xvid): Vcd Quality Alternative
In a world of 4K displays, finding a means moving toward formats that offer better compression, higher resolution, and superior longevity. Why You Need an Alternative to VCD If you want to stay on CD-R media
In terms of specific video resolutions and qualities, here are some alternatives to VCD (352x240 pixels, 29.97 fps): Vcd Quality Alternative
Focus: Explaining what VCD quality is and offering the modern upgrade.