Before effects, I recommend downloading and installing the latest version of KVYcamBgr. Then you create a new source with this command:

You can use any type of sources. I used an image for this example:

Enlargement of the frame image (zoom)
This is changing an image size in the frame. To activate scaling, click on the video window by mouse. After that, use the mouse wheel and drag operation to position the image. The frame size always remains constant.

Rotation
Use the Rotate the frame property in Effects:

Mirror
Use the Mirror frame property in Effects:

Add frames
Use the Frames property for this:

Snowfall
Use the Snowfall property for this:

Bubbles
Use the Bubbles property for this:

The effect is triggered by movement in the video.
Retro
Imitation of an old video. Use the Retro property for this:

Hearts
Floating hearts effect is activated by the toolbar or property:

The effect is triggered by motion in the video. It works within 5 seconds and is available starting from KVYcamBgr v.7.5.

Date and time
The effect inserts the date and/or time into the frame:

X and Y coordinates are only available for the Studio version. Started from KVYcamBgr v.8.1.*