No shame in asking questions. <3
Grey slider: The value that is used for every image, when you click "start". You can think of it as a preview.
White slider: The value that is used when you click on the buttons on an image.
E.g. you set "Steps slider - grey: 20, white:50". Then the AI will quickly generate loooads of images, but only with 20 steps, so they might have some glitches. When you found a nice image, you click the circular arrow in the hover menu. Then the image is re-done, but this time with 50 steps, to make any glitches disappear.
Not sure if that's what happened for you:
If the AI generates "two images in one", there's not much you can do atm, sorry. :/ If outpainting is added in the future, there might be a solution for that.