Congratulations on your first 24 hours! I quit about 20 years ago and it was the hardest thing I've ever done. Here's some tips that I used:
Get yourself a big ole jar or cannister and everyday, put the amount of money in the jar that you would have used to buy ciggarettes. At the end of the year, you should have a good chunk of money to go toward a vacation or to buy yourself something really special. I used mine for a vacation.
Wash all your walls, carpets, clothes. Everything! Hire someone to do it if you have to. Have your friends come and help you and make a party of it. You'd be amazed at where cig smoke lingers.
Throw away all ash trays and make sure all your family and friends know that your house is now a no smoking zone.
Keep yourself busy. Excercise is most important. It keeps you active and can take your mind off the moment.
Stay away from places where people smoke.
If you smoked and drank coffee, try buying some old fashioned pepermint sticks and hold that while drinking your morning coffee. You can also use cinnamon sticks and stir your coffee with them.
Keep healthy snacks around and avoid having junk in the house. (This is more to prevent weight gain.) Instead keep lots of fruit and fresh veggies. Carrot sticks, celery, sliced apples and such.
This is the hardest thing you may ever do. Be kind to yourself and reward yourself when you are successfull. If you slip, don't beat yourself up. Just never quit quitting!
Oh... and don't worry about the blood pressure thing. That is not a common thing. If someone's blood pressure goes up after quitting, they would have already had high blood pressure and smoking was keeping it down falsely. The benefits of quitting far outweigh a little weight gain or slightly higher blood pressure.