Scenes from the Early Life of Hot Rod by eaten_by_bears is a wonderful look at what Hot Rod might have been like as he matured during the course of the war. The author rated it R for a quick sex scene, but the way it is handled, I wouldn't go any higher than PG-13.

Go, read, leave feed back!

Ignore the Bayverse Optimus, these are not Bay's Transformers...

Goodbye Is Not Forever by wyntir_knight is an Optimus Prime/Elita-1 fic that is also Orion Pax/Ariel, and heart-wrenchingly sweet.

At the End of It All by stainless is a dark, Decepticons-won-it-all fic, that follows Mirage in slavery to Megatron. Warning: This fic is dark and contains triggery material -- "Warnings: Sex of the sparkish variety. Non-con of the sparkish variety (and I don't mean cutesy dub-con either). Character death. Slavery. Violence, trauma, and its aftermath. This is very dark." (taken from fic)

I do a lot of recs at my journal, origamiflowers, and rather than replicating them here, I figured I'd just link to the posts I've made so far:

(7) Heroes Recs, all Peter/Claire

(7) Harry Potter Recs, all femslash (drawn from the recent femmefest exchange)

(9) Multifandom Recs, all female-centric (drawn from the recent femme_fic exchange) - Battlestar Galactica, Bones, Firefly, Stargate Atlantis, Supernatural, Veronica Mars

The Identical Series by lanning [Clark/Lex; au; pg to nc-17]
"My replacement. I am not a suitable heir."
"Your father is ... replacing you."
"Has replaced me. Has."

An AU tale of truly epic proportions, The Identical Series breaks away from the canon series shortly after Nicodemus (though references to future episodes are lightly dropped in here and there) to explore how one single action can change a man's entire fate. I, personally, am not all that fond of Clark/Lex and I still adored this series. Cook handles the characterisation skilfully, branching off into new realms without warping them beyond recognition; the banter between Clark and Lex is sheer brilliance, and Eli is one of the most fascinating OCs I've seen in a long time. It's a long series, but after reading the first section you'll be glad of this - it's highly addictive.

Note on ratings: the chapters can vary quite a lot in content. A vast majority of the time it is a PG-13/tentative M for violence, coarse language, and adult themes. Occasionally it crosses into NC-17 territory for explicit sexual material. And I'll stop sounding like a TV ratings ad about now.

Lost and Found by kanecko [Jack/Ianto; Ianto/Lisa; g]
The Rift enjoyed Curley Wurleys and Toffee Crisps, but Snickers bars were pretty safe.
Spoilers across season one; somewhat Ianto-centric. A beautiful examination of the Torchwood team through the odd habits of the Rift and their attempts to manage it.

For When It's Dark by giddygeek [Jack/Ianto; pg]
"Don't ever die," Jack says. "It'll remind you of this, but you'll be alone."
Jack and Ianto get lost in the bowels of the Hub after an encounter with an alien goes awry. Slow and sweet.

They Grip the Ground by giddygeek [mild Jack/Ianto; largely gen; g]
"I am a tree," Owen said. "I am not delicious. I am a tree."
The Torchwood team seeks to hunt a Ronocijitikel using their imaginations. Hilarity ensues. Makes me laugh every time.

The Doctor and Mr Jones by sam_storyteller [Jack/Ianto; crossover with Doctor Who; R]
Ianto had always been fascinated with time.
Multi-chapter; Ianto-centric. A serious accident brings to light startling revelations (vague, yes, but I don't wish to spoil the twists). Absolutely amazing and oddly feasible.

sleep in heavenly peace by fleshflutter [Gen, Sam/Dean overtones with implied Castiel/Dean; pg]
Six days after the Apocalypse begins, Sam finds the Impala. It's pulled up on the side of the road. The door is unlocked and there's nobody in sight.

Your Skull Inside A Hole by sirryluv [Sam/Dean; r]
Here in this hole that we fixed, we get further and further and further for what we must do.

stand up tall and hold the world at bay by oxoniensis [Sam/Dean; pg-13]
He folds himself in, head under Dean's chin like he's smaller than Dean again.

What An Amazing Future There Will Be by chash [Sam/Dean; pg-13]
Ordinarily, when something really epically bad happens, they hug.

All of this inspired by episode 4.21 When the Levee Breaks and I'm not able to talk about this episode without break into tears. Yes, it was that traumatic but also SO GOOD. And I can't really talk about these fics without spoil them for you. Just go and read them because they're incredibly well written and painfully gorgeous.