Module development and code questions

I was thinking about setting up a flexinode with file-upload capability for the general public.
Then I thought about the posibility of someone uploading an infected file.
Are there any solutions that address this?

Is there no good soul who have written a good tutorial for making your own modules? I have read the Drupal handbook but there was too little information, it didn't give me enough. And I have found a lot of information needed for modulemaking on this site, but all is kind of taken out of its context.

And then I tried flexinode.module and that was very good, but can not fullfill my needs since there was no way to use taxonomy in it.

I use Aggregator2 to syndicate all the known Googlers' Blogs on my site. For livejournal feeds I get only parse errors. E.g. for http://www.livejournal.com/users/davebarr/data/rss :
"Failed to parse RSS feed Dave Barr's Journal: syntax error at line 1."
Can it be that Drupal aggregator does not comply with the livejournal bot policy and uses malformed user-agent string?

Is there a beta or cvs version of the gallery modual that works with 4.7?

thanx

I noticed that musicforamerica uses a localevent module. Try going here and you'll see what I mean:

warning: Missing argument 1 for localevent_citystate() in /export/sites/musicforamerica.com/docs/modules/localevent/localevent.module on line 33.

Does anyone know if this module is available anywhere?

Hi, I'm really new to drupal. So my question maybe easy to you. But I really need some help. Any feedback is really appreciated.

Ok, I use drupal4.6, in the event module: I have:
$when .= form_select('', 'month', $month, $months);
$when .= form_select('', 'day', $day, $days);
$when .= form_select('', 'year', $year, $years);

So the three drop down will appear in same row. very nicely this way.