Use both hands-bimanual laryngoscopy should be a routine part of ED intubations.
Don't forget that you CAN let up cricoid pressure-this can actually obscure your view and make your job more difficult.
For obese patients, make sure you elevate them. You want their ear level with their sternal notch. This might require A LOT of pillows or towels.
Use a "straight-to-cuff" technique for stylet shaping. This is accomplished by making the stylet straight down to the cuff and then making a 15-20 degree bend at the cuff.