Not trying to make work for you, but the following articles have broken image links, or other issues if noted so. (FWIW, originally, I stumbled upon two SW articles, but then later decided to stroll through all of SW and the ABOUT & HELP tabs to see if other issues existed... needless to say, a few were found

Catfishology
- Apisto Heaven
- Corydoras 101
- Feeding Plecos Part 2, Who eats what?
- Natural Catfish Aquarium, Part 2 • Materials and Techniques
- On Cephalosilurus nigricaudus and C. apurensis
- The Catfish Basics Series, Part 8 • Telling the Boys From the Girls
- The Catfish Basics Series, Part 9 • An Attempt to Spawn On Demand
- The identity of the common bristlenose
- A Scotsman in the Xingu, Part 3 • It's not all cracked rocks you know! (not an image issue, but a problem linking to Google Maps)
- In Search of Corydoras boesemani
- In search of Corydoras carlae
- Ancistrinae Internet Lecture
- Breeding Corydoras habrosus
- Breeding Corydoras napoensis
- L174 and L316, two small and similar Hypancistrus species
- Maintaining and Spawning Albino Ancistrus
- Observations of Breeding Corydoras weitzmani.
- So you want to breed Corys?
- Spawning L066
- Catfish FAQ (this whole page is dead link)
- R25Q1 V27.0.1 (this URL links to "The PlanetXingu Project, Part 5 • We did it", which already has its own listing on the "ABOUT" page, just above this link)
Eric