Probably the only available grayscale rendering site in existence. This site, where you can download height maps. The site is no longer able to generate terrain elevation maps, but you can still download 81 grids of latitude and longitude, which can be used to download satellite maps.
Place your modified image in the '\steamapps\common\Cities_Skylines\Files\'.Use Photoshop to keep the image resolution below 15000x15000px (recommended).Before subscribing to this mod, make sure you unsubscribe from the previous version mod with the same functionality!.Added new languages support: French, Russian, German, Korean, Spanish, Japanese.Fixed exception thrown when Mod is Disabled.But there is a problem, once you are used with other mods will always start small keyboard shortcuts, such as digital keyboard '5' number is the unlock button, then press down a number of time can cause your image shift, it makes me very uncomfortable, so I think to upgrade the old mod. I've always been a real world landscape buff, so I've always needed the image Overlay mod. Image Overlay 2 is an updated version of Image Overlay by Lanceris.