Celtic fans were left heartbroken after the club's Uefa Cup dream ended in defeat in Seville.
Celtic supporters were "gutted" by the defeat
A goal deep into extra time gave Porto a 3-2 win over the Glasgow side in the final.
But supporters remained defiant as they praised their side's efforts in reaching the club's first European final in 36 years.
An estimated 50,000 Celtic supporters created a party atmosphere in Seville as the city was swelled by what Uefa described as the largest travelling support ever to have assembled for a single game.
Despite the defeat, the legion of fans gave the team a rousing ovation after the final whistle.
The result dampened celebrations in Glasgow, where thousands of fans had packed pubs showing the game live.
Many supporters were left in tears after watching the match in Kelly's Irish Bar in the south side of Glasgow.
Andrew McLeod, 26, said: "I am absolutely
I am heartbroken, especially for the players who put up a good fight
"It would have been a dream come true, and at one stage I thought it would go to penalties.
"The boys played their hearts out and I take my hat off to them."
Gillian Wilson, 34, said she thought Celtic had been the better team.
"Disappointed is an understatement, I am heartbroken, especially for the players who put up a good fight.
"They certainly didn't let us down," she said.
The political tributes to the team were led by
Prime Minister Tony Blair.
"Celtic did the country proud tonight. To come back twice and lose was the cruellest disappointment," he said.
Tens of thousands of fans watched the game in Seville
"The team fought hard and deserved credit for their performance tonight and throughout the tournament."
Scotland's First Minister Jack McConnell said: "Celtic may have lost but Scotland gained friends across
"The whole team and the manager showed passion, bravery and ability.
"They, their supporters and all of Scotland can be proud of their performance and their sportsmanship."
Glasgow's Lord Provost, Liz Cameron, said the club had put the city back on the European sporting map.
"Despite Celtic's heartbreaking defeat this evening, the team performed magnificently," she said.
A goal by Porto's Derlei in extra time clinched the trophy for the Portuguese side.
Henrik Larsson had twice equalised for Celtic in a roller-coaster second half at the Stadio Olympico.
Celtic had been hoping to become the first Scottish team to win the Uefa Cup.