GIMP: extract still background and mask frames.

The issue is about BgMask: extract still background from video frames / mask frames against background , see Thread-extract-from-gif-with-BgMask-script.
The GIF file come from giphy.
I tested with the .scm script and working well with extract background and mask.
I have noticed that the differences are significantly positive when the background is static and the animation does not exceed the display area of ​​the GIF file, see the output result:
.

Online effects in a single image .

This website allows you to draw more effects in one image:

Krita 4.1.1 : Comics Manager tool.

This tool can be activated from the menu: Settings - Dockers - Comics Manager.
This start into the docker a GUI that allow you to use this tool.

Select a empty folder and give the info for your project:
It's a tool helps you create and export comics in a defined format.
Select all you need and use wizard to the end.
This will make all folders and config files.
You can open the project with same Comics Manager and the JSON file from your project folder.
The wizard will let now to use the buttons that until now were inactive: Project Settings, Add Page, Export Comic and Copy Location.

Shadertoy: New shader example : Old watch (IBL) .

This is a great example at shadertoy website.
The example come with this link to this article into first comment.
The example is simple but impressive.
What is interesting to see how some objects are created.

float sdPlane( const vec3 p ) {
 return p.y;
}

float sdTorus( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.xz)-t.x,p.y);
  return length(q)-t.y;
}

float sdTorusYZ( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.yz)-t.x,p.x);
  return length(q)-t.y;
}

float sdTorusYX( const vec3 p, const vec2 t ) {
  vec2 q = vec2(length(p.yx)-t.x,p.z);
  return length(q)-t.y;
}
...

Find 735,802 icons / 2,458 iconsets .

This website can help you to find icons with extension like: .svg,  .ico, .png and .icns
Most of this icons are free to use.
They tell us :

Search through 735,802 icons / 2,458 iconsets

Rebelle 3 - the watercolor software .

The development team comes with this info about this software:
Rebelle is a unique digital painting solution for creating realistic art using watercolors, acrylics and any wet and dry media. Use of real-world color blending, wet diffusion and drying sets it apart from its competition.

• Real world simulation of paint diffusion ;
• Wet tools: Watercolor, Acrylic and Ink Pen ;
• Dry tools: Pencil, Pastel, Marker, Eraser ;
• Blend and Smudge tools ;
• Custom Brushes ;
• Wet, dry and blow the wet painting ;
• Tilt the canvas to get flow effects ;
• Pen pressure support ;

The digital copy comes with this price: $ 89.99.
Read more at official webpage about this software.