> If your presentation program forces you to use raster graphics, then I suggest you use another one. LaTeX interoperates with a variety of vector formats such as SVG or PDF. Also some programs (such as Gnuplot or QtiPlot) allow you to export the graph in PGF/TikZ format, making integration with LaTeX trivial.
I had a paper to do for a class and I used circuitmacros to convert from m4 to eps and embedded a our circuit diagram right into the PDF as a vector drawing. I'd like to see any presentation editor do that…
There's some tedious work to get the wires laid out right, but once the shape is set, components can be moved around without an issue.
Not the best of languages, but it was an interesting exercise.