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Why is my tkinter toplevel huge when I stated size constraints?

I'm aware this is probably a newb question, but I have yet to be able to find an answer. Here's a snippet of my code, that has a root window containing a button to open a Toplevel. The Toplevel pulls a random line from a text file to function as a sort of idea generator.
import random, fileinput
import tkinter as tk
from tkinter import *
root = tk.Tk()
root.title('Daydreamer')
#fname should be the file name of the image in working directory
fname = "bg.gif"
bg_image = tk.PhotoImage(file=fname)
#get width and height of image
w = bg_image.width()
h = bg_image.height()
#size window correctly
root.geometry("500x400")
cv = tk.Canvas(width=w, height=h)
cv.pack(side='top', fill='both', expand='yes')
cv.create_image(0,0,image=bg_image,anchor='nw')
#add a frame for text
mainframe=tk.Frame(root)
#new window for inspirations
def inspirations():
top = Toplevel(root)
top.geometry=("100x100")
top.title("Inspiration")
def idea():
textidea=None
for line in fileinput.input('textlist.txt'):
if random.randrange(fileinput.lineno())==0:
textidea=line
entrytext=tk.Text(top)
entrytext.insert(INSERT, textidea)
entrytext.insert(END, "Or press the Inspire Me button again for another idea!")
entrytext.pack()
idea()
top.mainloop()
#add buttons
btn1 = tk.Button(cv, text="Inspire Me", command=inspirations)
btn1.pack(side='left', padx=10, pady=5, anchor='sw')
root.mainloop()
Problem is, that Toplevel always comes out absolutely huge (larger than my root window), which looks incredibly silly for the small amount of content being displayed in it. Am I missing something really minute and stupid here? Help much appreciated.

The problem is that you aren't calling the geometry method, you're replacing it with a string.
Change this:
top.geometry=("100x100")
to this:
top.geometry("100x100")

How can I bring an image with a transparent background to the front of my tkinter window?

My image "1_T.png" has a transparent background. I want to bring it to the front of my tkinter window.
I first tried inserting the image in a label. This brought the image to the front of the window but the transparent background was lost because labels can't have transparent backgrounds is my understanding.
I then tried using canvas.create_image(). This helped me preserve the transparent background of my image "1_T.png" but i can't work out how to bring it to the front. I tried canvas.tag_raise(). But that didn't work either.
For example, in the code below, i want to bring the image in front of the label.
Is there a way for me to do that?
import tkinter as tk
HEIGHT = 500
WIDTH = 1000
root = tk.Tk()
canvas = tk.Canvas(root, bg='black', height=HEIGHT, width=WIDTH)
canvas.pack()
mylabel = tk.Label(root, text='testing', bg='#00FFFF')
mylabel.place(relx=0, rely=0, relwidth=0.3, relheight=0.1)
myimage = tk.PhotoImage(file='1_T.png')
myimage2 = canvas.create_image(0, 0, image=myimage)
canvas.tag_raise(myimage2)
root.mainloop()

Unable to put transparent PNG over a normal image Python Tkinter

So I have 2 images, 1 image is supposed to be the background and the other 1 is just an image of a character.
I am able to put one image over the other but the image has white borders even though it's a PNG file.
This is how it looks like:
This is how I want it to look like:
Here are the two separte images:
https://imgur.com/a/SmE5lgC
Sorry that I didnt post the images directly but I can not since I do no have 10 reputation points.
I've tried converting it to RGBA but same thing happened.
from tkinter import *
from PIL import Image
root = Tk()
root.title("Game")
background = PhotoImage(file="back.png")
backgroundlabel = Label(root, image=background)
backgroundlabel.pack()
character = PhotoImage(file="hero.png")
characterlabel = Label(root, image=character)
characterlabel.place(x=0,y=0)
root.mainloop()

You just need to use the canvas widget in Tkinter. Only the canvas widget supports transparency. This has to do with how Tkinter draws the display. As of right now, your code is just overlaying two images. Tkinter does not know how to compose them with transparency unless you use the canvas widget.
See the following code:
from tkinter import *
from PIL import Image
root = Tk()
root.title("Game")
frame = Frame(root)
frame.pack()
canvas = Canvas(frame, bg="black", width=700, height=400)
canvas.pack()
background = PhotoImage(file="background.png")
canvas.create_image(350,200,image=background)
character = PhotoImage(file="hero.png")
canvas.create_image(30,30,image=character)
root.mainloop()
All I did was download the images you provided. I did not modify the images. So, the bottom line is that you just need to use the canvas widget.
Voilà!
Note: The question asked is a duplicate of How do I make Tkinter support PNG transparency?

Tkinter : How to center the window title

I am creating a project using tkinter and when I create a window, I couldn't seem to get the window title to center itself (Like most programs nowadays). Here's the example code:
from tkinter import *
root = Tk()
root.title("Window Title".center(110))# Doesn't seem to work
root.mainloop()
Is there a way to center the window title up ? Thanks in advance

There is nothing you can do. Tkinter has no control over how the window manager or OS displays the titles of windows other than to specify the text.

I came up with a trick that does the job and it consists in simply adding as much blank space before the title:
import tkinter as tk
root = tk.Tk()
root.title(" Window Title")# Add the blank space
frame = tk.Frame(root, width=800, height=200, bg='yellow')
frame.grid(row=0,column=0)
root.mainloop()
Output:
Alternatively, you can use a string consisting of an empty space and concatenate it to the title after multiplication. I mean:
import tkinter as tk
root = tk.Tk()
blank_space =" " # One empty space
root.title(80*blank_space+"Window Title")# Easier to add the blank space
frame = tk.Frame(root, width=800, height=200, bg='yellow')
frame.grid(row=0,column=0)
root.mainloop()

More adding onto what Billal suggested is this example that adjust depending on the window size. I still wouldn't recommend it since it's just a hack for visual aesthetics but if you really want to have it.
import tkinter as tk
def center(e):
w = int(root.winfo_width() / 3.5) # get root width and scale it ( in pixels )
s = 'Hello Word'.rjust(w//2)
root.title(s)
root = tk.Tk()
root.bind("<Configure>", center) # called when window resized
root.mainloop()

width=root.winfo_screenwidth()
spacer=(" "*(int(width)//6))
root.title(spacer+"Your title")
This is not that much perfect but this will work.

How to add a partially transparent image to Tkinter?

I am making a game in Tkinter and I would really like partially transparent images in the game for obvious reasons...
How would I do that? PNG doesn't allow transparency, and JPEG does allow transparency but isn't considered an 'image file'... What file type would allow that? Can I use bitmap somehow to make a JPEG useable? Thanks!
Some use info:
I started learning Python 3 months ago and am not horribly good, but I do know classes, functions, and how to make stuff in Tkinter. I also obviously know a lot more, but as I said I am not too terribly good at it. Thanks!

Tkinter does recognise .ico files, but I have never used them apart from as an icon at the top left.
I would use a GIF file, and tk.PhotoImage to display it. This does allow for transparent images to be shown:
My Proof:
The image in a tk window, but when I change the background colour to say yellow, the button background is the same as the tk window background, so it is transparent.
EDIT: HERE IS CODE
import tkinter as tk
root = tk.Tk()
image1 = tk.PhotoImage(file = "FILENAME.gif")
label1 = tk.Button(image = image1)
label1.pack()
root.mainloop()
hope that helps you.

from tkinter import *
root = Tk()
startpic = PhotoImage(file = "ddsp.gif")
startbut = PhotoImage(file = "start.gif")
helpbut = PhotoImage(file = "help.gif")
exitbut = PhotoImage(file = "exit.gif")
root.geometry("640x480")
root.title("Deep Death")
root.resizable(0,0)
starter = Label(image = startpic)
starter.pack()
start = Label(image = startbut)
start.place(x=340,y=80)
root.mainloop()
Even though the .gifs' are transparent, they are appearing with a white background.