leakage

Thanks to all the helpful people on this forum I managed to successfully pull off some smoke chicken for my Memorial Day Weekend (did it on Saturday due to a busy weekend with graduation parties and what not) party. I went hot and fast and used pieces based on both recommendations from people...

So I did my first burn in my wsm 22.5 with lump coal and about 5 chunks of pecan & hickory wood. I had some smoke coming out the door which was expected but there was also some smoke coming out of the edges of the lid. Does everyone generally have a airtight seal on the lid or is it normal to...