I agree that your existing pic is epic, @fish0331, but I'm not sure that it specifically says "Blackguard" to me. It looks more like a Fire Elemental wearing armour! So it makes me think of what a Fighter/Druid might look like when using his Fire Elemental transformation (HLA). Still, it's all in the eye of the beholder, of course.
Well, what a pic suggests to a player's imagination probably varies very greatly from one person to another. If it says "Blackguard!" to you, then so be it, and you're probably not alone. But equally, I'm probably also not alone in seeing it as a Fire Elemental in armour (and therefore a transformed F/D). Each to his own.
On the other hand, having said that I see @fish0331's pic differently, I'll also mention that I agree with the way @SharGuidesMyHand sees the other pic - that one says "Paladin!" to me too.
If you want to try and find a higher resolution picture of a pic, http://www.tineye.com helps.
I just tried a few pics here, and it's ok, but it doesn't have everything. I did 4 paintings and it found 2, and one only had one result. You can just google the image. I think you can drag it into your search bar.
There are a lot of incredible pictures here, but I think @booinyoureyes definitely won it. I mean, just look at that man's mustache. That's a +4 mustache if I ever saw one.
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Credit to dashinvaine at deviantart.
I think that I'll play a Paladin next, half-elven Undead Hunter of Inquisitor.
I've never played a paladin before, but that's tempting.
(Ignoring the fact that only humans, earth genasi, and assimar can be paladins/blackguards... oh, and Dorn's.)
I still really like that Lady Paladin. But I really want to do a sorceress run...
This dude would be better as an NPC since he's a bit older, but he looks pretty fierce
Anachronistic buzz-cut aside, I kinda like this one
a bit blonder
I kinda like these ones
I've taken care of everything.
But no, @SharGuidesMyHand has the perfect picture.
I don't know why, but when someone says paladin, I don't imagine some dude in 3 ton golden pauldrons, I imagine the crusaders.
More standard fantasy paladin
You did ask for epic
Though I think this is something along the lines you want
Your fourth picture made me think of this.
Is the highest res I could find
...and then @Syntia13 created a scar-free version.