How to create this Crumpled Paper Transitions for use in vse?
I don't think you have this effect in the VSE but you can create it in the 3D view with the image (or movie) that is projected on a subdivided mesh, give 2 shapekeys to this mesh, select the second one:
In Edit mode > Mesh > Transform > Randomize:
Tweak the parameters in the Operator Box, scale and move the mesh if you want:
Play with the Value of the second shapekey: