Neroidea Journal
Notes on prompts, tools and the gallery
Longer reads from behind the gallery: how the prompts in our library work, what makes a look reusable, and how the tools and games around them are built.
October 14, 2026 · 2 min read
Batch-converting a whole camera roll without shipping it to a server
The upload-everything trap, the browser route that works on Mac, Windows and iPhone alike, and the one terminal command that beats every app.
October 14, 2026 · 2 min read
Six tiny games for a five-minute break (all in one tab)
A daily prompt-guessing puzzle, a math Wordle, a physics fruit merge and three more — the full games menu, sorted by how much time and brain each one wants.
October 14, 2026 · 2 min read
Fullscreen flags for classrooms, game days and events
From international days at school to match nights: how to put any country's flag on a projector or a phone screen, the settings that matter, and the deep-link trick for lesson plans.
October 14, 2026 · 2 min read
A practice path: from looking at images to writing your own prompts
Four exercises that build the actual skill behind prompt-writing — noticing what's in an image, naming it in prompt vocabulary, and changing one thing at a time.
October 14, 2026 · 3 min read
HEIC, explained: why iPhone photos won't open — and when converting is the answer
The format Apple bet on in 2017, the compatibility gap it left behind, and how to pick a converter that doesn't cost you quality, metadata or privacy.
October 14, 2026 · 2 min read
Renaming .heic to .jpg does not convert the file
The rename trick leaves a HEVC image wearing a JPEG name — why some apps open it anyway, and why that is worse than it looks.
October 14, 2026 · 2 min read
HEIC to PDF: getting iPhone photos through upload portals
Why government forms, insurers and print shops keep asking for PDF, and how to turn a HEIC photo into one without it leaving your device.
October 14, 2026 · 2 min read
HEIC to WebP: the smallest copy of an iPhone photo for the web
Where WebP actually beats JPEG, how much smaller the file gets, and which quality setting to use for blogs and shop listings.
October 14, 2026 · 2 min read
How the editorial notes get made — and why some pages stay out of search
Every indexed prompt page carries a note written for this site. Here is how those notes are produced, what they are allowed to claim, and what happens when one is wrong.
October 14, 2026 · 3 min read
Which lighting words people actually use — and what each one does
We counted every lighting and camera term across the prompt library: sunlight beats studio light 20:1, grain is the top texture word, and "soft light" barely appears. The working vocabulary, ranked by real usage.
October 14, 2026 · 2 min read
Mental math practice that doesn't feel like homework
How Math Party turns grade 1–6 arithmetic into a 90-second game with a skill tree and daily quests — and how to use it as a parent without turning it into a chore.
October 14, 2026 · 3 min read
古风 in prompts: the vocabulary behind oriental styling
Four-character phrases, named historical subjects, and one modern camera trick: how Chinese creators write the 古风 look — and a real prompt teardown from the library.
October 14, 2026 · 2 min read
Poshmark vs Mercari fees in 2026: flat-or-20% against a uniform 10%
Two resale platforms, two fee philosophies: what each takes at $10, $30 and $100, and the costs the fee line leaves out.
October 14, 2026 · 2 min read
Short prompts and long prompts: what changes as the word count climbs
The library's prompts run from 90 characters to nearly 19,000. Counting layout and lighting vocabulary across the length range shows where each kind of prompt stops being a note and starts being a brief.
October 14, 2026 · 3 min read
What 1,100 prompts actually say: a word-frequency audit of the gallery
We counted every word across 1,100+ AI image prompts in the library. The most-used vocabulary isn't poetry — it's layout language. A data tour of how people really write prompts.
October 13, 2026 · 2 min read
Add pinyin to any Chinese text — for reading sheets and dictation practice
Pinyin above every character, three tone styles, and a one-click way to hide the characters for dictation. How to turn any Chinese passage into a printable study sheet.
October 13, 2026 · 3 min read
Amazon FBA fees in 2026: the three dates that changed every rate
January's rate card, April's 3.5% surcharge and October's peak table, what each one did to a per-unit cost, and how to price Q4 without guessing.
October 13, 2026 · 3 min read
Anatomy of a portrait prompt: the five moves almost every good one makes
Subject, styling, camera, mood, format. Read a few hundred popular AI portrait prompts closely and the same five decisions show up in nearly every one — in nearly the same order.
October 13, 2026 · 3 min read
Depop fees in 2026: selling is free in the UK, US and Australia
What Depop still charges in its three home markets, where the 10% lives, when the boosting fee actually applies, and the buyer-side fee you don't pay but compete against.
October 13, 2026 · 3 min read
eBay fees in 2026: what the 13.6% really covers
The final value fee on shipping and sales tax, the per-order fee tiers, the sneaker exception, and the store-subscription break-even — the numbers behind a price.
October 13, 2026 · 3 min read
Etsy fees in 2026: what you actually keep per sale
The three fees on every Etsy order, when Offsite Ads becomes mandatory, the add-ons that hide in the fine print, and how to read the effective rate before you set a price.
October 13, 2026 · 3 min read
How to play Promptle — and three habits that make you faster
One AI image a day, and you have to name the words its prompt contained. The rules in a minute, then the three reading habits that separate ten-guess clears from forty-guess sessions.
October 13, 2026 · 2 min read
How we curate, credit and remove prompts
Where the gallery comes from, how every prompt is screened and annotated, why each page links back to its author, and how to get a prompt removed — the site's editorial policy in plain words.
October 13, 2026 · 3 min read
How to make printable Chinese practice sheets in a couple of minutes
田字格 grids, 描红 tracing, blank boxes and pinyin — how to turn any character list into a clean A4 worksheet with the Tianzige generator, and how to actually use the sheet.
October 13, 2026 · 3 min read
The CCD flash look: why AI portraits keep coming out of 2005
Hard direct flash, blown highlights and oddly honest color: a teardown of the CCD digicam aesthetic — where it came from, which prompt words produce it, and how to steer it.