I have a Pumpkin Ale now in secondary. There's a ton of reading on this forum about Pumpkin beer, add pumpkin to mash, add pumpkin to boil, don't add pumpkin at all, just add spices, etc. etc. etc.
I only have about four gallons of beer in secondary due to the tremendous amount of trub from the primary. I lost almost a gallon and a half of beer. There was about five or six inches of goo on the bottom of the carboy. So, next time I'm going to try and end up with more wort to adjust for this.
I used RichBrewers recipe found here