If you mean ‘make the image fit my texture’ you need to make a new asset with the texture the correct size. If you mean ‘stretch the texture in the material’, then you need to use the TextureCoordinate node.
If you mean ‘make the image fit my texture’ you need to make a new asset with the texture the correct size. If you mean ‘stretch the texture in the material’, then you need to use the TextureCoordinate node.