Got my AMB about a month ago and have done the following:
back wheel tubs
TuxMat (I like these more than the ford or the weatherTech. Have had both)
BakFlip G2 Tonneau (I like this, I have had rollup, clamshell and so on)
Short Antenna
BedRug Bedliner (I like this, I have had the spay in and drop in. If I haul something "nasty", I'm going to use a trailer)
Knob covers (why not? 

)
F150led lights in the air slots
   Didn't install as easy as they said but I like it, hooked to night lights
made my own "Tremor" mudflaps
   Borrowed a friends table top CnC to do the cut in ABS and got $50 universal set of flaps 

Made the door kickers (followed this site's postings 

 )
Maybe after the new year, I'll put in some driving lights, backup lights, bed lights, under carriage lights to try to use up the aux switches 

  Or whatever else I find in the threads that I HAVE TO HAVE!  
