Here are some useful extensions, scripts, and tutorials for Tumblr. Scripts require a simple, one click install for Google Chrome. Firefox users may need to download Greasemonkey first before installing scripts.
As far as I know, these scripts/extensions can work together.
I’ll add more links as I think of them, and feel free to share your own tips or resources. Please note that I didn’t make any of these resources, nor do I personally use all of them, so while I’m happy to answer simple questions, it’s probably best to ask the actual creator of the extension/tutorial/tool/etc.
Missing E - Probably the most popular Tumblr extension. Features: one click reblog/queue/drafts, automatically clears all tags when reblogging, adds tags to ask/reply, allows one click reply to comments (hold down the shift key to reply to multiple comments), shuffle queue, adds timestamp to posts on your dashboard, replaces text (reblog, notes) with picture icons, and more. Downside: Tumblr apparently hates Missing E, and will try to scare you into disabling it.
Xkit - Similar to Missing E. Some additional features: Unfollower check (how to install), shorten long posts on dashboard, highlight or blacklist key terms in posts, download mp3 from audio posts.
Tumblr Savior - Blacklist tags that you do not want to see on your dashboard. Downside: Not everyone tags.
Some selections from a larger collection of scripts:
Tumblr Life - Quick links to sort your dashboard by content (photos, text, quotes, video, etc), adds keyboard shortcuts.
Tumblr Hate - Do you keep seeing the same post reblogged in your dashboard? This script lets you “hate” that post so you won’t see it again.
Tumblr Helper - Create post templates with common settings, add personal notes to users on your dashboard
One of the many fascinating features of our language is how often words with pleasant associations are also quite pleasing on the tongue and even to the eye, and how many words, by contrast, acoustically and visually corroborate their disagreeable nature — look no further than the heading for this post. Enrich the poetry of your prose by applying words that provide precise connotation while also evoking emotional responses
Mist: cloudy moisture, or similar literal or virtual obstacle
Murmur: soothing sound
Myriad: great number
Penumbra: shade, shroud, fringe
Quintessential: most purely representative or typical
Redolent: aromatic, evocative
Resonant: echoing, evocative
Rhapsodic: intensely emotional
Sapphire: rich, deep bluish purple
Somnolent: drowsy, sleep inducing
Sonorous: loud, impressive, imposing
Spherical: ball-like, globular
Sublime: exalted, transcendent
Succulent: juicy, tasty, rich
Suffuse: flushed, full
Symphony: harmonious assemblage
Talisman: charm, magical device
Tessellated: checkered in pattern
Zenith: highest point
Cacophony: confused noise
Cataclysm: flood, catastrophe, upheaval
Chafe: irritate, abrade
Coarse: common, crude, rough, harsh
Cynical: distrustful, self-interested
Decrepit: worn-out, run-down
Disgust: aversion, distaste
Grimace: expression of disgust or pain
Grotesque: distorted, bizarre
Hoarse: harsh, grating
Mediocre: ordinary, of low quality
Obstreperous: noisy, unruly
Rancid: offensive, smelly
Shriek: sharp, screeching sound
Shrill: high-pitched sound
Shun: avoid, ostracize
Slaughter: butcher, carnage
Unctuous: smug, ingratiating
Visceral: crude, anatomically graphic
Notice how often attractive words present themselves to define other beautiful ones, and note also how many of them are interrelated, and what kind of sensations, impressions, and emotions they have in common. Also, try enunciating beautiful words as if they were ugly, or vice versa. Are their sounds suggestive of their quality, or does their meaning wholly determine their effect on us?