Install gimp
https://www.gimp.org/
then open it.
Click on File -> Open As Layers and select the images you have.
Go to Windows -> Layers and make sure the image with the naked girl is below the other image.
Duplicate the dressed image twice and rename the layers "top", "bottom", "dressed", "naked".
Right-click on all the layer names and click on add alpha channel.
exlurker @exlurker
Variations of an AnIdiotWithAMouse image.
Flip:
@Tickleprick69
2 examples:
https://baraag.net/web/@Draw_Fel_Draw/108719852643781743
Example of image with no space between top and bottom:
https://baraag.net/web/@scarr/108718291368944410
Start by finding image pairs where top and bottom are separated and the rest of the image is the same. Post a link to your chosen image pair here.
Completions of images, animations & minigames.
Donations welcome.