> I need download only html files as index.html. No 
> files as index.html?fall=125 and I don't konw how I 
> must set the program for that. Help me please.

I believe you only need to set the following in the 
filter:

-*.html*[]

an example of its usage can be found in the help file 
for advanced filters for option panel: scan rules.

Hope that helps... I've never actually used this option 
before so no idea if I got the syntax right.