Getting a Specific Kehaan Painting to Appear on Your Wall
Paintings in Minecraft are chosen randomly based on the space available, so you cannot directly pick one from a menu. You can, however, influence which painting you get by controlling the wall size and rerolling.
Control the Available Space
The game only offers paintings that fit the empty wall area you click. A large open wall unlocks bigger motifs, while a small gap limits you to smaller ones. Build a wall sized to the painting you want, then place the painting against it.
Reroll Until You Get It
If the wrong motif appears, break the painting and place it again. Each placement rerolls the selection. Repeat until the Kehaan artwork you want shows up. This is the standard method and works because the pack only swaps textures, not the placement logic.
Use Multiple Attempts Efficiently
Keep several Painting items in hand so you can place, dislike, break, and retry quickly. If a particular size never appears, your wall is likely too small or too narrow for it. Widen or heighten the wall and try again. Remember the pack changes appearance only, so all vanilla painting sizes and behaviors still apply.