First of all, DO NOT take jump kick, it's a horrible power, take combat jumping instead. Also, you should try and get stamina (from fitness pool, need 2 other powers from the pool to get it) ASAP, preferably L20/22.
Never feel guilt about asking for advice we are all always happy to witter on aimlesly and argue like school kids.. sorry I mean help 
Seriously though its what these boards are for and many people here are only to happy to help
Couple of bits of advice
Get Aim and Build Up asap and 3 slot them for recharge, really is worth it as a blaster in my experience. I would lose combustion until later at least and get one of them in its place
Not sure I would use blazing aura unless you are a very up close and personal type.
When you say the command power pools I assume you mean the Leadership pool and I would advise going for a different choice myself as the buffs are not great for blasters as they are varied based on your AT.
I know some people try not to but I personally would absolutely get Stamina asap which means taking 2 out of Swift, Hurdle, and Health before 20 and taking Stamina at 20 this really does make a big diffence as a Blaster.
Anyway just some quick thoughts, hope its helpful
Cheers,
White 
yea i meant combat jumping
ok thanks, ill look at that, anything on the other abilities i commented about?
combustion and blazing aura = lots of trips to the hospital, if you are going to be mainly blaster teams with your friends then they should get resusitaion to bring you back to life after each mob 
Aim and BU are both vital, nothing worse than when you miss a vital attack, these are both serious gems in the blaster sets.
I would make one something like this, the aid self is a godsend as is hibernate and consume gives you endurance return.
PVE I would do something like this
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Exported from Ver: 1.7.6.0 of the CoH_CoV Character Builder - (http://sherksilver.coldfront.net/index.php)
---------------------------------------------
Name:
Level: 50
Archetype: Blaster
Primary: Fire Blast
Secondary: Fire Manipulation
---------------------------------------------
01) --> Fire Blast==> Acc(1) Dmg(3) Dmg(3) Dmg(5)
01) --> Ring of Fire==> Acc(1)
02) --> Fire Sword==> Acc(2) Dmg(5) Dmg(7) Dmg(7) Rechg(9) EndRdx(9)
04) --> Fire Ball==> Acc(4) Dmg(11) Dmg(11) Dmg(13) EndRdx(42) EndRdx(43)
06) --> Swift==> Run(6)
08) --> Fire Breath==> Acc(8) Dmg(13) Dmg(15) EndRdx(15)
10) --> Combat Jumping==> Jump(10)
12) --> Aim==> Rechg(12) Rechg(17) Rechg(17)
14) --> Super Jump==> EndRdx(14)
16) --> Build Up==> Rechg(16) Rechg(19) Rechg(19)
18) --> Health==> Heal(18) Heal(34) Heal(36)
20) --> Stamina==> EndMod(20) EndMod(21) EndMod(21)
22) --> Blaze==> Acc(22) Dmg(23) Dmg(23) Dmg(27) EndRdx(43) Rechg(50)
24) --> Fire Sword Circle==> Acc(24) Dmg(25) Dmg(25) Dmg(27) EndRdx(46) EndRdx(48)
26) --> Aid Other==> Heal(26)
28) --> Consume==> Acc(28) Acc(29) EndMod(29) EndMod(33) Rechg(34) Rechg(34)
30) --> Aid Self==> Rechg(30) Rechg(31) Heal(31) Heal(31) IntRdx(33) IntRdx(33)
32) --> Inferno==> Dmg(32) Dmg(37) Dmg(37) Rechg(39) Rechg(39)
35) --> Blazing Bolt==> Acc(35) Dmg(36) Dmg(36) Dmg(37) EndRdx(39)
38) --> Air Superiority==> Acc(38) Dmg(40) Dmg(40) Dmg(40)
41) --> Snow Storm==> EndRdx(41) EndRdx(42) EndRdx(42) Rechg(43)
44) --> Frozen Armor==> DefBuf(44) DefBuf(45) DefBuf(45) EndRdx(45) EndRdx(46) EndRdx(46)
47) --> Hibernate==> Rechg(47) Rechg(48) Rechg(48)
49) --> Fly==> EndRdx(49) Fly(50) Fly(50)
---------------------------------------------
01) --> Sprint==> Empty(1)
01) --> Brawl==> Empty(1)
02) --> Rest==> Empty(2)
01) --> Defiance==> Empty(1)
---------------------------------------------
anything you dont understand just ask
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cant stress enough the importance of aim and BU, get as much dmg per second as possible an get consume slotted with 3 recred 3 endmod after 28 to help your end on top of stamina.
if your friend is elec/elec be sure to get him to search for opsts by moi and with the search title term "elec" without any date restrictions, that should get a few hundred results that will help u live
Plight
as others said Combustion and Blazing Aura isn't worth it, it's more of a fire tanker powers I just recently rolled a fire blaster and on making loads of alts I found that Fire Sword would be much better than Combustion as Combustion has slow animation and blazing Aura? pfft may as well take hot feet, atleast then you can slow down some foes from escaping your fire sword, Fire sword Circle Rain of Fire and the rest of your weapons of mass destruction ^^ also if you got room try fitting in Hasten at some point its quite handy when you want to do that extra damage
Combustion is very good damage, its just its DoT and dosent look as groovy as fire sword circle. I have it slotted up on my blaster and its very effective.
Blazing Aura will up your damage considerably. Its also very good damage and since its a toggle, will up your dps considerably because you dont need animation.
Both, in my opinion are very good damaging powers.
However, you have to mitigate this against a) aggro and b) end cost.
Seriously, against the right crowd (i.e. one low on AoE attacks), these powers are a killer if you sit side by side with a good tank who keeps the attacks of you.
In a shoddy team, you will be eating dirt. In a good, tight team (with a tank) you will start ripping the enemy up.
Like all powers, theres a good side, and a bad side.
Except Jump Kick... hellfire, when are they gonna sort that one out?
Hey guys, based on all of your input i've came up with a build. Im gna ignore slotting, i got no problems with that and my CoH Hero Builder is bugged up!
1. Fire Blast
1. Ring of Fire
2. Fire Ball
4. Fire Sword
6. Rain of Fire
8. Fire Breath
10. Combat Jumping / Hover
12. Fire Sword Circle
14. Super Jump / Fly
16. Build Up
18. Blaze
20. Aim
22. Swift
24. Health
26. Blazing Bolt
28. Consume
30. Stamina
32. Inferno
34. Aid Other
36. Aid Self
38. Hot Feet
40. Hasten
42. Char
44. Fire Shield
46. Teleport Freind
48. Rise of the Phoenix
Im not sure if i should have got TP freind or Hasten, any backup on those?
Rain of Fire is great, if not for damage then keeping those mobs out of action by making them move, and with a ring of fire you can kill one or two of them with it. Hot feet would just increase this effect, meaning they take longer to move out.
I love pvp, though i havnt tried it in this game, so perhaps it would be smart to get Burn? Also should i go for a pool command?
Though i do rate Combustion, i just feel like I've already got enough AoE abilities, and it will be a button i wont get much chance to press. Though it would work great with Fire sword circle, rain of fire and hot feet, I reckon ill be out of end before i got a chance to press it. So left it out, perhaps something is better then it i didn't select?
Oh and comments on Bonfire?
Hasten > TP Friend.
Defiant 50's
Many and varied!
@Miss Chief
you cant skip hasten. it makes the difference between a blaster and a killer machine.
Yea me again hehe
all the info iv had here it has helped alot and i am very thankful for it, although do feel a pang of guilt for creating yet ANOTHER post hehe.. 
but just wanted to get clear on a few moves. I checked out some builds posts here and honestly didnt understand half of it, (the number is number of slots?). but anyway I just want advice with abilities.
well i have a fire/fire blaster, playing with 2 freinds who also loving blaster, elec/elec and ener/dev and am loving it
1. Fire Blast, Ring of Fire
2. Fire Ball
4. Fire Sword
6. Rain of Fire
8. Fire Breath (lvl 9 atm, took alot of alts for us all to be happy xD)
10. Combustion *
12. Attack Jump
14. Power Jump (i forgot the jump names :S)
16. Build up
18. Blaze
20. Blazing Aura*
22. pools powers, probaly comand buffs
And onwards all the higher lvl abilities.
*I was not sure about these moves, Is combustion and blazing aura good? Or would Aim or Fire Sword Circle be better?
My thinking was combustion has a larger AoE then FSC, although i use FS alot and find it very usefull, unless i opened up with FSC it would only hit 2 people max, so not that great.
Aim, well i dont miss THAT much, and since i do AoE's stuff always hits something most of the time, and if there is a special case lke a higher lvl boss i can always get Acu inspirations. Though blazing aura looks like it might take loads of end.
Well i gues you get Everything eventualy right, but i would like to know waht to get first mainly so i dont waist slots.
Advice would be assuring