SuperDrag Extension is a plug-in which helps you search selected links, images, and texts more easily and efficiently with web search or dictionaries with just drag and drop.

You can set different functions depending on direction of drop (up-down-left-right) for selected links, images and texts after dragging them.
(As a default, all directions are set as Web Search.)

Assist menu

When you are dragging, you can use assist menu. Just drag and drop the selected area on a search engine title or dictionariy on the menu.
(Assist menu is "OFF" as the default setting.)

Super View

You can open SuperView which is a small pop-up window to display the search result after dropping the selected links, images and texts.