ComyUI has, besides its generally complex workflows, the capability to offer basic image manipulation with GenAI. This comes with basic image manipulation, ControlNets and custom blending.
Basic image 2 image workflow with a latent resize node, to control the output dimensions.
Blending two images as input for the image 2 image workflow.

DOWNLOAD WORKFLOW: basic_blend_img2img_workflow
Blending images plus displacement
DOWNLOAD WORKFLOW: >blend_i2i_displacement