Had someone lose thier house due to dryer lint last week. I wouldn't sleep well at night by not at least warning you guys to clean your lint screens every day, and also take your pipe off and make sure lint isn't building up in it. Also, an interesting thing that came up was that if your dryer is feeling hot on the outide, but your clothes aren't getting dry, you might have a lint build up inside, which can cause a fire. Another interesting note was that if you are getting dark lines on your clothes, they may actually be burn lines from the dryer getting hot because of lint build up.
Make sure your CO2 detectors are working good in the dyer area if you have gas or propane, also.
So, take 5 minutes, pull the hose clamp off the pipe on the back of your dryer and make sure it's not building up. Don't want anyone to have to rebuild thier house or worse, when it can be prevented with 5 minutes of work.