There is a bug in the current version that effects the frame numbering. For example, frames get numbered:
Notice it skipped the number 2000. This causes issues when importing using VirtualDub as it stops importing at the break in the numbering sequence.
The same issue happens every thousand pictures, so you will also lose 3000, 4000, etc.
If you could fix this it would make it a lot easier for me to import frames!!
Here's my first video: