diff --git a/config.lua b/config.lua
index 13f0004..14d116c 100755
--- a/config.lua
+++ b/config.lua
@@ -7,6 +7,8 @@ return {
 	biblia_api_key = '',
 	thecatapi_key = '',
 	nasa_api_key = '',
+	simsimi_key = '',
+	simsimi_trial = true,
 	time_offset = 0,
 	lang = 'en',
 	antisquig = false,
diff --git a/plugins/apod.lua b/plugins/apod.lua
index ec412be..5b2230e 100755
--- a/plugins/apod.lua
+++ b/plugins/apod.lua
@@ -3,11 +3,17 @@ local doc = [[```
 /apod [query]
 Returns the Astronomy Picture of the Day.
 If the query is a date, in the format YYYY-MM-DD, the APOD of that day is returned.
+/apodhd [query]
+Returns the image in HD, if available.
+/apodtext [query]
+Returns the explanation of the APOD.
 Source: nasa.gov
 ```]]
 
 local triggers = {
-	'^/apod[@'..bot.username..']*'
+	'^/apod[@'..bot.username..']*',
+	'^/apodhd[@'..bot.username..']*',
+	'^/apodtext[@'..bot.username..']*'
 }
 
 local action = function(msg)
@@ -19,12 +25,18 @@ local action = function(msg)
 	local input = msg.text:input()
 	local caption = ''
 	local date = '*'
+	local disable_page_preview = false
 
 	local url = 'https://api.nasa.gov/planetary/apod?api_key=' .. config.nasa_api_key
 
 	if input then
-		url = url .. '&date=' .. URL.escape(input)
-		date = date .. input
+		if input:match('(%d+)%-(%d+)%-(%d+)$') then
+			url = url .. '&date=' .. URL.escape(input)
+			date = date .. input
+		else
+			sendMessage(msg.chat.id, doc, true, msg.message_id, true)
+			return
+		end
 	else
 		date = date .. os.date("%F")
 	end
@@ -44,14 +56,24 @@ local action = function(msg)
 		return
 	end
 
-	local img_url = jdat.hdurl or jdat.url
-	output = date .. '[' .. jdat.title  .. '](' .. img_url .. ')\n'
+	local img_url = jdat.url
 
-	if jdat.copyright then
-		output = output .. 'Copyright: ' .. jdat.copyright
+	if string.match(msg.text, '^/apodhd*') then
+		img_url = jdat.hdurl or jdat.url
 	end
 
-	sendMessage(msg.chat.id, output, false, nil, true)
+	output = date .. '[' .. jdat.title  .. '](' .. img_url .. ')'
+
+	if string.match(msg.text, '^/apodtext*') then
+		output = output .. '\n' .. jdat.explanation
+		disable_page_preview = true
+	end
+
+	if jdat.copyright then
+		output = output .. '\nCopyright: ' .. jdat.copyright
+	end
+
+	sendMessage(msg.chat.id, output, disable_page_preview, nil, true)
 
 end
 
diff --git a/plugins/chatter.lua b/plugins/chatter.lua
index 08460fd..6f532d9 100755
--- a/plugins/chatter.lua
+++ b/plugins/chatter.lua
@@ -1,5 +1,11 @@
  -- Put this absolutely at the end, even after greetings.lua.
 
+if not config.simsimi_key then
+	print('Missing config value: simsimi_key.')
+	print('chatter.lua will not be enabled.')
+	return
+end
+
 local triggers = {
 	'',
 	'^' .. bot.first_name .. ',',
@@ -27,8 +33,14 @@ local action = function(msg)
 	local input = msg.text_lower
 	input = input:gsub(bot.first_name, 'simsimi')
 	input = input:gsub('@'..bot.username, 'simsimi')
+	
+	if config.simsimi_trial then
+		sandbox = 'sandbox.'
+	else
+		sandbox = '' -- NO Sandbox
+	end
 
-	local url = 'http://www.simsimi.com/requestChat?lc=en&ft=1.0&req=' .. URL.escape(input)
+	local url = 'http://' ..sandbox.. 'api.simsimi.com/request.p?key=' ..config.simsimi_key.. '&lc=' ..config.lang.. '&ft=1.0&text=' .. URL.escape(input)
 
 	local jstr, res = HTTP.request(url)
 	if res ~= 200 then
@@ -37,7 +49,11 @@ local action = function(msg)
 	end
 
 	local jdat = JSON.decode(jstr)
-	local message = jdat.res.msg
+	if not jdat.response then
+		sendMessage(msg.chat.id, config.errors.chatter_response)
+		return
+	end
+	local message = jdat.response
 
 	if message:match('^I HAVE NO RESPONSE.') then
 		message = config.errors.chatter_response
diff --git a/plugins/shell.lua b/plugins/shell.lua
index 411f09b..5c218aa 100644
--- a/plugins/shell.lua
+++ b/plugins/shell.lua
@@ -9,6 +9,8 @@ local action = function(msg)
 	end
 
 	local input = msg.text:input()
+	input = input:gsub('—', '--')
+	
 	if not input then
 		sendReply(msg, 'Please specify a command to run.')
 		return