google show plenty of tutorials that don't seems to require to be adapted to gimp.
But i believe you got a wrong idea that examples were created from a single photo
No all were Video , mostly time-lapse video..a bit as video of opening flowers...so all require not 1 but a set of photos created for that speciphic task, taken with a tripod, and if there are models must be quite patient and skilled
see what i mean, here the HOW TO of one of your examples
http://anaestheticdiscourse.com/?p=1011on the base of a single shot it is possible do something as this (note the solid color BG behind the moving phone)
(Gif is a illustration from
http://trvie.tumblr.com/post/4719367752 ... aph-how-to but the author used a video for that not a single shot, but is no hard do something alike from a photo...again if the object move on a solid BG
or may be on top )