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Some writings of interest:

My English Wikipedia home page is en:User:Jmabel. I get email notifications of changes to my user talk page on both the English Wikipedia and Commons; you can also {{Ping}} or email me with the "email this user" feature (which does require that you open an account and provide your own email address to Wikimedia Foundation; you don't have to enable the "Email this user" feature for your own account).

I am an administrator on Commons (and have been since 25 November 2009). I answer a lot of questions on the help desk and other similar pages, and do more category work than I care to think about, but try not to spend all of my time here on administrative tasks.

In December 2020 I largely retired from the software industry. I remain available for short-term consulting on software development projects ( and especially for consultations on user experience. But, more than that, I've been playing a lot of guitar, most notably my own arrangements of the music of Kurt Weill. And as before, I remain available as a Seattle-based artist and photographer:

As of April 25, 2024, according to the Uploadcounter, I had uploaded 64,080 files to Commons. According to Glamourous, 7,433 distinct images among these uploads are used in one or another Wikipedia, or in Wikidata, Wikisource, etc. Here are some links to representative examples of my work:

Babel user information
This user is an administrator on Wikimedia Commons. (verify)
en-N This user has a native understanding of English.
es-3 Este usuario tiene un conocimiento avanzado del español.
ro-2 Acest utilizator poate contribui cu un nivel intermediar de română.
de-1 Dieser Benutzer beherrscht Deutsch auf grundlegendem Niveau.
ca-1 Aquest usuari té un coneixement bàsic de català.
it-1 Questo utente può contribuire con un livello elementare in italiano.
pt-1 Este utilizador tem um nível básico de português.
fr-1 Cet utilisateur dispose de connaissances de base en français.
This user has an account on Flickr.
Users by language



Please note: All of my photos here should be some variant of CC-BY-SA (and the older ones under GFDL as well, but it's come to be apparent that is not very useful for photos). Some (mostly photos of people from early on) are also licensed under CC-BY-2.5. For non-commercial uses that cannot use those licenses, I'll almost always be willing to let you use my photos if I get an appropriate photo credit, but please contact me and ask.

Photo used in Joyce Anastasia's Seeding Change

If your use is commercial and does not conform to GFDL, CC-BY-SA, or other license I have explicitly granted, please do contact me, and I'm sure we can reach a reasonable licensing agreement suitable to your needs.

Among the places my photographs have appeared are the book National Geographic Traveler Romania, Clipper Vacations Magazine, Architectural Glass Concepts (AGC magazine), Haaretz,, the film Seeding Change: Participant Persectives (2008), directed by Joyce Anastasia, and as the front cover of a University of Washington course catalog. Apparently, one of my photos appeared in a 2011 French book on fire boats of the world, which I've never seen. And I quite like this music video, which sets its mood with my photo of Wesleyan University's Russell House at night.

Useful tool for monitor calibration[edit]

I find this very useful & recommend it highly. Wikipedia:Featured picture candidates#Is my monitor calibrated correctly?

Tool for mass rename[edit]

User:Jeff G./massrename

Note on uploading video from Flickr[edit]

Uploading video from Flickr is much trickier than uploading still photos. Basically, this is the best I've been able to work out. Credit to User:Sanandros for hints.

  1. Use Firefox extension DownloadHelper to download from Flickr to your own system.
  2. Use Firefox extension FireFogg to convert this to Theora-Ogg Vorbis (.ogv) format.
  3. Upload that in the normal manner. Make sure you indicate the source on Flickr.
  4. Tag the image with {{Flickrreview}}. If you are an admin or have review privileges, you can fill out that template.

When you are using geocoordinates[edit]

This guide from xkcd is useful in terms of how much precision makes sense.


I've set up hidden category Category:Jmabel researching so I can find a few images where I am skeptical about descriptions as they stand, but don't have the info to just make corrections. - Jmabel ! talk 22:19, 8 September 2022 (UTC)

Some notes to self[edit]

Finding abuse filter hits[edit]

(from User:Jeff G.:) The last 500 logged by the abuse filter for hitting the conditions of Special:AbuseFilter/153 are in this log. Any individual's filter 153 hits can be found by clicking "filter log" on their contributions page. Any file description page's filter 153 hits can be found by clicking "view abuse log" on the history page (even if you have to construct one with action=history from a nonexistent filename). You may also click "Search the abuse log" on Special:AbuseLog. The defining feature [for cross-wiki uploads] is '"Cross-wiki upload from" in summary | "Uploaded while editing" in summary' per line 2 of the conditions for that filter. I generally find the hits from "filter log" and "abuse log" links in reports containing uses of {{User8}} and {{Pagemulti}} (and older uses of {{Page}}, which Krinkle and I specially crafted for that purpose) on COM:FILTERT. I also check the logs of puzzling users who post to this Help desk, the Village pump, noticeboards, etc