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Be aware that there's a flip view, and a flip image command. Select the frames you want to flip and apply the latter, it's in the image menu.

I've noticed that I only need a very small portion of a video reference anyway, a second or two, so for me it makes sense to really import the video, truncate it, then save as TVP file which is not that large at all. Additionally I've found that often I only need a reference on 2's, so changing that...

PLease see https://www.tvpaint.com/doc/tvp11/index ... pendencies

Woah, thank you!

My workflow is quite speedy with key commands for "make blue", "erase blue" and "make black" from the sketch pannel. But I found that this blue is too opaque when used for inbetweenig with light table. I tried to make it 50% opaque: Duplicated the "make blue" ...

OK, since I made that mistake just recently: those are not empty frames in the original?

Check if in the original file the layer is locked.

Image > Basic Scan Cleaner. See manual for more options.

This is great! But It seems that starting with the dog jump everything is in slow motion?
Oh, and I like the hands.

Oh please. There is no such thing as "AI tools", especially not for 2D animation. There have been attempts to automatic inbetweening (so far no success) and semi-automatic coloring (may work in certain settings). Other than that there's no tools available right now. I could imagine some AP...

Oh, that's a good trick, it avoids most of the unfilled sharp corners you get when using the fill tool with a larger gap closing value from inside.
In the end you will end up using a combination of everything anyway!

TVP's fill tool and CTG layers can help you only so far that they can close smaller gaps. Rough drawings or any rough line animation style needs to be colorized by hand. Some options: - If it's only temporary I'll use a really large and fluffy brush. Good enough to block out BG elements, fast in app...

You can always adjust the fill tool's expand to your taste. Trick: it still works with the line layer above set to 0% opacity ... Another approach might be to animate the fills directly, without outlines. My friend Anita Bruneburg uses the shape tool for this, see examples: https://twitter.com/brune...

In order to do that, a reference to the computer used (or the TVP serial number) needs to be saved within the file, and that's something I definitely DON't want.

I had that problem when I received files from others. Each time I wanted to render those had a pathname completely different from mine. I think this cannot be solved: either you save that pathname within the file, then it will carry it to a different machine. Or you have the pathname remembered in T...