I'm using a Linksys WRT54 (or maybe a WRT54GS, not sure) router with 4 computers and a range expander. Every afternoon, the Internet will slow down drastically and computers will get disconnected from the network. Also, the computer with the router has major problems uploading to a web server. This only happens in the afternoons. Is this problem caused by a lot of people going on the Internet in my neighborhood or would installing some third party firmware help? If so, which would work best for this type of situation? I know my question is nooby and understand if it's too bothersome to answer. Thanks!