The large-scale portrait by Jenny McCracken is based on a photograph of Mr Little by John Elliot. It also features the river system and local totems, painted by local Gamileroi artist Frank Wright.

Walgett Shire Council commissioned Zest Events International to complete the artwork.

Project manager Andi Mether said the best part about the mural was the legacy it would leave behind.

She said she had also enjoyed working with Mr Little's daughter, Frances Peters-Little, and Mr Wright.

"There's a lot of people behind the scenes, but having worked during NAIDOC Week, that's where the heart comes into the project, " Ms Mether said.

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The Walgett community had been welcoming during the weeks they had spent working on the project, Ms Mether said. If something was broken or needed, there was always someone who would help, she said.

"All of our corporate work disappeared for the year so it actually gave us a chance to do something we'd been wanting to do and focus on regional. We've gone from being Zest Events International to being Zest Events Regional NSW," she said.

"It's a bit different, but brilliant."