Outdoor - http://digiphoto.techbang.com/posts/1336-raw-file-photo-repair-outdoor-photo-map-steps-for-example Stars & Night Sky - http://www.mikkolagerstedt.com/blog/2013/11/8/night-photography-tutorial-lightroom-5-photoshop http://www.mikkolagerstedt.com/blog/2014/1/3/basic-lightroom-adjustments-fog-mist https://digiphoto.techbang.com/posts/9670-post-system-teaching-lightroom-late-foundation-lesson-5 Star photo processing - http://blog.deepskycolors.com/tutorials.html Lightroom key - http://digiphoto.techbang.com/posts/9428-adobe-lightroom-advanced-key-cheat Basic lightroom editing tutorial - http://www.dcfever.com/column/read.php?id=2934 http://wlcreative.com/blog/lightroom-%E6%95%99%E5%AD%B8-%E4%B8%80%E5%AE%9A%E8%A6%81%E6%87%82%E7%9A%84%E4%B8%83%E5%80%8B%E5%B0%8F%E6%8A%80%E5%B7%A7/ https://digiphoto.techbang.com/posts/9636-lightroom-late-basics-lesson-1 https://digiphoto.techbang.com/posts/9665-post-system-teaching-lightroom-late-foundation How To Use Graduated Filters & Radial Filters in Lightroom 5 - http://www.mikkolagerstedt.com/blog/2014/5/11/how-to-use-lightroom-graduated-filters-radial-filters A collections of free / non free graphic editing tool - http://www.codinghorror.com/blog/archives/000849.html Online photoshop - https://www.photoshop.com/express/index.html?bypass&wf=signin How to remove things at photoshop - http://www.hkwildlife.net/viewthread.php?tid=2177&highlight= retouch tip - 1. Brightless Shadow 2. Contrast (Curve) 3. luminosity 4. Denoise by Plugins (Nosieware) 5. Replace Color as need 6. Select face Skin 7. Despeckle 8. Healing tool as Need http://www.alltutz.com/photoshop/7-awesome-photoshop-cs4-tutorials http://www.tutoriallounge.com/2009/12/30-professional-tutorials-for-designers-using-gimp/ 後製無從入手?顛倒相片更易找出問題 - https://www.dcfever.com/news/readnews.php?id=23139&link=guid https://fstoppers.com/education/having-trouble-editing-landscape-photo-turn-it-upside-down-285169 https://www.diyphotography.net/stuck-in-editing-a-landscape-photo-try-turning-it-upside-down/ 飽和度 vs 明艷度:效果有甚麼分別? - https://www.dcfever.com/news/readnews.php?id=23773&link=guid Vibrance vs Saturation in Photography - https://expertphotography.com/vibrance-vs-saturation-photography/