About your "make a crater and fill it with earth," you could use those particle thingies. Just spawn them randomly above the crater and have them fall, and they'll make it uneven.
Random 2D Terrain
BlitzMax Forums/BlitzMax Beginners Area/Random 2D TerrainThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.