Doujin Box. They are very friendly- You surf Yahoo Japan for doujinshi, find what you want, and they bid on the doujinshi for you! Go check 'em out!
The Inu Yasha Sengoku o-Togi Zoushi manga translations site. It has translations for all of the IY manga that's been published to date. An amazing amount of work! (In the US we're up to Volume 8- in Japan- they're up to Vol. 21!) BTW- the Miroku introduction occurs in the American Vol. 6, which I'm looking for right now. The English translation is sometimes different than the Japanese original- it's interesting getting both angles.
Seen all 26 episodes of Trigun and wish there was more? Well, have no fear, the Virtual Third Season is Here!Trigun- Sand and Light. This is a continuation of the series after the ending of episode 26 done by a fan. She is an excellent writer and has captured the feel of the characters and setting beautifully- I can't wait for the next installment! Go check this site out! I like this site so much I've done some fanart of her story- check it and the other work on her Gallery page.
Another cool Trigun site with some info on the manga.Make a Little Lightbulb in Your Soul.
Rurouni Kenshin: Tales of the Swirly Eyed Samurai Has translated actual scans of a lot of the Kenshin (Samurai X for you poor underprivileged people who only know it by that name...:)) manga.
I found this recently- here's a page full of translated DBZ doujinshi scans- absolutely hilarious! I love the ones that have Vegeta messing with poor Trunks again...:)Mispronounce the Word Manga and I'll Kill You...
A doujinshi webring full of listed sites.Click here. Beware, though, these could lead to some...um..*ahem* rather interesting doujinshi scans- if you don't know what yaoi or hentai is you might want to know before you see some..../\_/\
Surfer's Paradise.The long vertical rows are for searches- pick a name and hit the left button on the bottom bar below those rows.
Here's the Japanes version of Yahoo Geocities- theAnimeComic neighborhood section. Surf through tons of Japanese Geocities sites devoted to Anime!