I know of no good way to do that in Camtasia.
I do that kind of stuff in Powerpoint myself and lots of times create the video in Powerpoint also but any graphics program can work to cut up your image.
Then it's just a matter of bringing all those pieces in to Camtasia and animating them in to the full image.
Here's a little design tip:
Add a very thin whitish boarder to the pieces when you make them.
It give the reassembled image that real puzzle look.
Creating this effect can be extremely complex to get right.
Especially without a Filter/FX effect designed specifically to do the heavy lifting.
After Effects has a full featured puzzle shatter effect, you can turn entire images or portions of images into puzzles. Bring them together from nothing. Or disassemble them and make them go away.
You chose the direction the pieces travel, their rotational properties, % of rotation, extrusion depth, etc. and so forth. The choices make for countless Patterns/Directions of travel.
It’s an expensive program. On the surface. If your times worth money, it really isn't.Because it saves you so much time.Theres You Tube tutorials covering this effect.
Slicing and dicing an image into individual puzzle pieces manually. Then animated them to fly in or out and actually look good. “Not Amateurish” Would be a ton of work, and require a lot of man hours to pull off.
You can use After Effects for $20 for one month. Then get rid of it. If you spent
hours creating one half-baked poor animation on your own.
Well, $20 could have saved you a lot of grief and gotten you further/faster. And professionally to boot. In a months’ time, you could create a lot of animations to backlog. Anyway, that’s my take on it.
In this example Photoshop was used to carve the images into puzzle pieces. Then saved as layers with transparent backgrounds.
I used Camtasia’s behaviors to animate the pieces. The new explode behavior was good for that. Appling hinge was a good way to go as well. I carved 1280 x 720 images into 6 pieces using this downloadable Photoshop action. Working with more pieces/images would have been a lot of work. I was having problems with the Creative Cloud download. I found a website with same action download Naomi mentioned. This will work with older versions of Photoshop. How you carve a photo into pieces is up to you.
to help simplify this. I’m including a downloadable zip file of this project. That way you can play around with settings and see firsthand what I’ve done. It’s a small file, just a few images. I’m not calling it a polished animation. It looks Okay. But if I were going to actually use it.I would spend more time tweaking it.
Camtasia has a file handling issue. I created 2 separate animations from 2 different images. Camtasia kept swapping/replacing pieces from one image with the other. “Very strange and Frustrating” After trying to rename the files differently several times. Closing and restarting Camtasia. I got around the problem by placing the second image/images on upper tracks. They couldn’t share the same track for whatever reason.
Heres an image of the explode behavior applied. The only trick is to change the speed setting to individual pieces so they move independent from each other. You could change settings like Bounce or Spring and come up with other looks as well.
This is the Image assembled
This is another image with Hinge applied and the pieces starting to come together. I applied the hinge point to the edge of the screen for each piece. You could do it another way.
You can use a combination of behaviors. Its really up to your imagination where you take it.