Update README.md

README.md

@@ -16,4 +16,8 @@ quantized_by: Green-Sky
 
 I use sd_turbo to test sd2 for sd.cpp , so here they are.
 
-The "old" `q8_0` is a direct conversion, converting to `f16` first, then to `q8_0` gave an equivalent performing but smaller filesize model file.
+The "old" `q8_0` is a direct conversion, converting to `f16` first, then to `q8_0` gave an equivalent performing but smaller filesize model file.
+
+Use `--cfg-scale 1` `--steps 8` and maybe `--schedule karras`.
+
+The model only really produces ok output for 512x512 .