Cutie!! And congrats
You don't have to feed "every Wednesday"; you can do a schedule that's better for you (and the snake) if you prefer. If you want to just keep it simple you can stick with what LLL Reptiles told you though. Personally, I think you'd be better off feeding every 5 or 6 days. There's a few really good threads on this forum about that, and how much to feed (i.e. 10-15% of body weight, or a rat the same thickness of the widest part of the snake's body).
I actually really like the look of your enclosure. It looks comfy, and secure for the snake. She may end up liking the black hide better than the log hide, but as long as you've got some options I think it's alright.
Digital thermometers are awesome! I also really like my temp gun, but they can be pricey. If you go to Wal-Mart, they have Accurite digital thermometers (probed) for $10. It's much cheaper than at the pet store.
Also, I wouldn't trust that hygrometer that says your humidity is at 40%. I'd bet it's at least 55-60%, with the tub and substrate and large water bowl you have. It's a good idea to buy digital hygrometers as well, but honestly, I have the gauges too (because I didn't want to invest more money -- that's my bad, I really should but I didn't) and I just use them as an estimate, to see if the humidity changes one way or the other... not so much a spot on percentage. I think you can tell well enough if the humidity is too high or too low, based on sheds of the snake, and what else is going on in the tub. I think some people might disagree with me here, but it's what works for me.
All the best!
P.S. I forgot to mention the reason I was going to comment in the first place, before I went on a tangent...! I LOVE the name you've given your snake

adorable.