The only way we can avoid the blank frames is to scale the system (System 7.5
on a PowerMac 7100-66 with 16MB) down to 5.5MB of system memory, 6MB for
Director, and the remainder for QuickTime VR
A The most important factor regarding run-time memory requirements is the size of
the source image. If you're not using dual-resolution files, and your source
images are 768 x [something], you'll need approximately 4MB of RAM at run-time.
Dropping to 384 x [something] images reduces the memory requirements to
approximately 1MB at run-time.