In Blender, select the mesh and add a new material to it. Then go over to the textures tab and add a new texture. Set the texture type to 'image or movie' and open your texture. The texture will now show up when rendered, but it will be using generated coordinates rather than the UVs. All you have to do is scroll down to…
So I've went to the "Texture" tab, and set the type to "Image or Movie", then I went to "Image", and open my texture. Now I can see it in the preview. Next I went to the "Image Mapping", but I do not see any option for "UV". This what I see: There is no "Mapping" section, only "Image Mapping" if that's what you meant...…