Wow, that's amazing! Do you know what formats the program uses -- vector or raster? I read most of the info on the website, but didn't see that info. EDIT -- Ok, I see "bitmap" mentioned in development history. Not sure if that means raster or BMP format? Uses native format for saving ani...

Thank you, ~suv and druban. Did review the materials suggested re GIMP and paths. GIMP method not as easy as Inkscape, but that probably because need to learn new way. The related (yet unanswered) question was also asked in Inkscape's Answers section at Launchpad: is mine. Thought to post it here al...

The "waves" in your example are caustics.
a good, free caustics generator is here http://www.dualheights.se/caustics/
You can layer the result in GIMP to get the example effect.
God bless you always, all ways.

Thank you, brynn. The reason for using Inkscape is because it is good vector program. Text on path only one example of uses. Method with this is to copy raster image into Inkscape, draw a path along shape within image, enter text and put it on the path, then copy the text only and paste 1:1 into ori...

Have done due diligence as suggested, without finding solution. OS is Windows XP SP3. Using Inkscape 0.47 was able to copy from Inkscape and paste directly into Photoshop 6.1, e.g. create a path in Inkscape, enter some text and put text on path, select text, copy and paste at original size. Installe...