Creating Textures: Update chapter

_en/items/creating_textures.md

@@ -25,8 +25,10 @@ available, which cover pixel art in much more detail.
   - [Using the Pencil](#using-the-pencil)
   - [Tiling](#tiling)
   - [Transparency](#transparency)
+  - [Color Palettes](#color-palettes)
 - [Editors](#editors)
   - [MS Paint](#ms-paint)
+  - [Aseprite / LibreSprite](#aseprite--libresprite)
   - [GIMP](#gimp)
 
 ## Techniques
@@ -59,6 +61,13 @@ and some nodes, such as glass.
 Not all editors support transparency, so make sure you choose an
 editor which is suitable for the textures you wish to create.
 
+### Color Palettes
+
+Using a consistent color palette is an easy way to make your art look a lot
+better. It's a good idea to use one with a limited number of colors, perhaps 32
+at most. Premade palettes can be found at
+[lospec.com](https://lospec.com/palette-list).
+
 ## Editors
 
 ### MS Paint
@@ -69,16 +78,21 @@ This usually won't matter when making textures for the sides of nodes,
 but if you need transparency in your textures you should choose a
 different editor.
 
+### Aseprite / LibreSprite
+
+[Aseprite](https://www.aseprite.org/) is a proprietary pixel art editor.
+It contains a lot of useful features by default such as color palettes and
+animation tools.
+
+[LibreSprite](https://libresprite.github.io/) is an open-source fork of Aseprite
+from before it went proprietary.
+
 ### GIMP
 
 GIMP is commonly used in the Minetest community. It has quite a high
 learning curve because many of its features are not immediately
 obvious.
 
-When using GIMP, the pencil tool can be selected from the Toolbox:
+When using GIMP, make sure to use the Pencil tool with the Pixel brush and a
-
+size of 1. It's also advisable to select the "Hard edge" checkbox for the Eraser
-<figure>
+tool.
-    <img src="{{ page.root }}//static/pixel_art_gimp_pencil.png" alt="Pencil in GIMP">
-</figure>
-
-It's also advisable to select the Hard edge checkbox for the eraser tool.