question 1
Code:
timer 0 3600 /msg #chat $read(c:\mIRC\stuff.txt,$rand(0,$lines(c:\mIRC\stuff.txt)))


random timers id make a alias that started a new timer and use this in the alias
Code:
timer 1 $rand(60,3600) /msg #chat $read(c:\mIRC\stuff.txt,$rand(0,$lines(c:\mIRC\stuff.txt)))