NPC Sprite Background Transparency

[Dolphin86]

now where did i did wrong.....

edited : the npc back ground is not transparent, how can i fix this? i am using photoshop, mode - index 256 color

Spoiler

 

Edited October 6, 2023 by Dolphin86

[Rivers]

If you edit this in Paint and save it as the correct file format and compression. There are a few underlying layers of data that much match that specific type of BMP, such as the following:
-format bmp
-alpha off
-type palette
-colors 255
-depth 8
-compress none BMP3: