Kathy,
I am looking at the logs. Your most recent tree mail was sent to you at 8:43pm (central time) last night. The system immediately sent a notification email to you and your ISP (AOL) accepted that mail. The mail logs on my server show that the AOL server mailin-01.mx.aol.com received the mail (q511hsxw014173) at 8:43pm CT.
Very long delays after your ISP accepts the mail is a fault of the ISP and it's not something that I have access to fix. I'd love it if you would send a note to AOL's support and complain about their slow delivery. Many people have complained about AOL's mail, especially that they tend to junk actual mail.
