Please click here to hear the talk on the topic Halloween: An Impermissible Celebration in Islaam by Br. Abu Sufyaan 'Abdul Kareem McDowell.
MashAllah Br. Abu Sufyaan hafidhahullah gives some good tips based on his own experiences on how should a Muslim reply to the wishes on occasions of the non-Muslims' festivals. What to do and say when someone gives you a gift on the occasions like Halloween, Christmas, etc.? The brother gives some anecdotes on how to give Da'wah with hikmah without compromising the principles of our deen.
[url=http://www.troid.org/index.php?option=com_content&task=view&id=356&Itemid=336]Here[/url] is another article on the topic of Halloween to go with this talk by our brothers at www.Troid.org