You might be looking for Silver on the Tree, part of The Dark is Rising series
|Name:||Silver Tree: Portrait of an Elf Lord|
|Dates:||2003?-present (as of 2012)|
|URL:||Silver Tree: Portrait of an Elf Lord|
|Click here for related articles on Fanlore.|
From the front page: "Well, I think it's about time that the much misprized Celeborn of Lorien had a page to himself. To that end I've drawn together links to all the good Celeborn stories I could find. After this, I defy anyone to think of him again as just 'Mr.Galadriel'. These are in chronological order, so they may be read as a biography, of sorts :)"
The site contains Marnie's own fanfiction and art about Celeborn, and a long list of her recommendations for Celeborn-centric stories and essays.