Я использовал словарь для решения проблемы.
import tkinter as tk, glob
root = tk.Tk()
root.geometry('800x520+0+0')
Images = {}
for infile in glob.glob('*.gif'):
img = infile[:-4]
if img not in Images:
Images[img] = tk.PhotoImage(file=infile)
def add_img():
global listbox
listbox = tk.Listbox(root, font=('Verdana',9), width=12)
listbox.place(x=60,y=2)
for infile in glob.glob('*.gif'):
listbox.insert(tk.END, infile[:-4])
listbox.bind('<<ListboxSelect>>',CurSelet)
def CurSelet(event):
fn = listbox.get(tk.ANCHOR)
listbox.destroy()
T.image_create(tk.INSERT, image=Images[fn])
tk.Button(root, text="Add Image", font=('Verdana',8),
command=add_img).place(x=690,y=0)
T = tk.Text(root, width=65, height=17, padx=10, pady=10, font=('Verdana',
14), wrap='word')
T.place(x=0, y=50)
root.mainloop()